10649240 has 64 divisors (see below), whose sum is σ = 27812160. Its totient is φ = 3594240.

The previous prime is 10649231. The next prime is 10649269. The reversal of 10649240 is 4294601.

10649240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10649240² = 226812625155200, which contains 22 as substring.

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, 20180 + ... + 20700.

It is an arithmetic number, because the mean of its divisors is an integer number (434565).

Almost surely, 2^10649240 is an apocalyptic number.

10649240 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 10649240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13906080).

10649240 is an abundant number, since it is smaller than the sum of its proper divisors (17162920).

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

10649240 is a wasteful number, since it uses less digits than its factorization.

10649240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612 (or 608 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 10649240 is about 3263.3173305702. The cubic root of 10649240 is about 220.0085396134.

The spelling of 10649240 in words is "ten million, six hundred forty-nine thousand, two hundred forty".