40368432 has 40 divisors (see below), whose sum is σ = 112308784. Its totient is φ = 12420864.

The previous prime is 40368413. The next prime is 40368451. The reversal of 40368432 is 23486304.

It is an interprime number because it is at equal distance from previous prime (40368413) and next prime (40368451).

It is a super-2 number, since 2×40368432² = 3259220604277248, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40368432.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31723 + ... + 32970.

Almost surely, 2^40368432 is an apocalyptic number.

It is an amenable number.

40368432 is an abundant number, since it is smaller than the sum of its proper divisors (71940352).

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

40368432 is a wasteful number, since it uses less digits than its factorization.

40368432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64717 (or 64711 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 40368432 is about 6353.6156635415. The cubic root of 40368432 is about 343.0419983310.

It can be divided in two parts, 40368 and 432, that multiplied together give a square (17438976 = 4176²).

The spelling of 40368432 in words is "forty million, three hundred sixty-eight thousand, four hundred thirty-two".