40124432 has 10 divisors (see below), whose sum is σ = 77741118. Its totient is φ = 20062208.

The previous prime is 40124419. The next prime is 40124449. The reversal of 40124432 is 23442104.

It can be written as a sum of positive squares in only one way, i.e., 29986576 + 10137856 = 5476^2 + 3184^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1253873 + ... + 1253904.

Almost surely, 2^40124432 is an apocalyptic number.

It is an amenable number.

40124432 is a deficient number, since it is larger than the sum of its proper divisors (37616686).

40124432 is a wasteful number, since it uses less digits than its factorization.

40124432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2507785 (or 2507779 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 40124432 is about 6334.3848951575. The cubic root of 40124432 is about 342.3494484575.

Adding to 40124432 its reverse (23442104), we get a palindrome (63566536).

The spelling of 40124432 in words is "forty million, one hundred twenty-four thousand, four hundred thirty-two".