40353480 has 96 divisors (see below), whose sum is σ = 132046200. Its totient is φ = 10687488.

The previous prime is 40353457. The next prime is 40353491. The reversal of 40353480 is 8435304.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 36216324 + 4137156 = 6018^2 + 2034^2 .

It is a super-2 number, since 2×40353480² = 3256806696220800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70636 + ... + 71204.

Almost surely, 2^40353480 is an apocalyptic number.

40353480 is a gapful number since it is divisible by the number (40) 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 40353480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66023100).

40353480 is an abundant number, since it is smaller than the sum of its proper divisors (91692720).

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

40353480 is a wasteful number, since it uses less digits than its factorization.

40353480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783 (or 776 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 40353480 is about 6352.4389017133. The cubic root of 40353480 is about 342.9996401722. Note that the first 3 decimals are identical.

Adding to 40353480 its reverse (8435304), we get a palindrome (48788784).

The spelling of 40353480 in words is "forty million, three hundred fifty-three thousand, four hundred eighty".