40025432 has 32 divisors (see below), whose sum is σ = 77246400. Its totient is φ = 19432224.

The previous prime is 40025417. The next prime is 40025443. The reversal of 40025432 is 23452004.

40025432 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-4 number, since 4×40025432⁴ (a number of 32 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105419 + ... + 105797.

It is an arithmetic number, because the mean of its divisors is an integer number (2413950).

Almost surely, 2^40025432 is an apocalyptic number.

It is an amenable number.

40025432 is a deficient number, since it is larger than the sum of its proper divisors (37220968).

40025432 is a wasteful number, since it uses less digits than its factorization.

40025432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735 (or 731 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 40025432 is about 6326.5655769936. The cubic root of 40025432 is about 342.0676541603.

Adding to 40025432 its reverse (23452004), we get a palindrome (63477436).

The spelling of 40025432 in words is "forty million, twenty-five thousand, four hundred thirty-two".