40472032 has 24 divisors (see below), whose sum is σ = 79940952. Its totient is φ = 20169600.

The previous prime is 40472017. The next prime is 40472039. The reversal of 40472032 is 23027404.

It is a junction number, because it is equal to n+sod(n) for n = 40471994 and 40472012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40472039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8682 + ... + 12502.

It is an arithmetic number, because the mean of its divisors is an integer number (3330873).

Almost surely, 2^40472032 is an apocalyptic number.

It is an amenable number.

40472032 is a deficient number, since it is larger than the sum of its proper divisors (39468920).

40472032 is a wasteful number, since it uses less digits than its factorization.

40472032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4162 (or 4154 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 40472032 is about 6361.7632775827. The cubic root of 40472032 is about 343.3352042713.

Adding to 40472032 its reverse (23027404), we get a palindrome (63499436).

The spelling of 40472032 in words is "forty million, four hundred seventy-two thousand, thirty-two".