40631353 has 16 divisors (see below), whose sum is σ = 47646720. Its totient is φ = 33930000.

The previous prime is 40631351. The next prime is 40631387. The reversal of 40631353 is 35313604.

It is a cyclic number.

It is not a de Polignac number, because 40631353 - 2¹ = 40631351 is a prime.

It is a super-2 number, since 2×40631353² = 3301813693221218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40631351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53728 + ... + 54478.

It is an arithmetic number, because the mean of its divisors is an integer number (2977920).

Almost surely, 2^40631353 is an apocalyptic number.

It is an amenable number.

40631353 is a deficient number, since it is larger than the sum of its proper divisors (7015367).

40631353 is a wasteful number, since it uses less digits than its factorization.

40631353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 40631353 is about 6374.2727428311. The cubic root of 40631353 is about 343.7851354499.

Adding to 40631353 its reverse (35313604), we get a palindrome (75944957).

The spelling of 40631353 in words is "forty million, six hundred thirty-one thousand, three hundred fifty-three".