11363640 has 64 divisors (see below), whose sum is σ = 34313760. Its totient is φ = 3010560.

The previous prime is 11363617. The next prime is 11363663. The reversal of 11363640 is 4636311.

11363640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 3371²-1.

It is an interprime number because it is at equal distance from previous prime (11363617) and next prime (11363663).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 11363640.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33552 + ... + 33888.

Almost surely, 2^11363640 is an apocalyptic number.

11363640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11363640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17156880).

11363640 is an abundant number, since it is smaller than the sum of its proper divisors (22950120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11363640 is a wasteful number, since it uses less digits than its factorization.

11363640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632 (or 628 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 11363640 is about 3370.9998516761. Note that the first 3 decimals coincide. The cubic root of 11363640 is about 224.8221804923.

Adding to 11363640 its reverse (4636311), we get a palindrome (15999951).

The spelling of 11363640 in words is "eleven million, three hundred sixty-three thousand, six hundred forty".