40864472 has 32 divisors (see below), whose sum is σ = 83987280. Its totient is φ = 18485760.

The previous prime is 40864441. The next prime is 40864487. The reversal of 40864472 is 27446804.

It is a congruent number.

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, 19508 + ... + 21500.

Almost surely, 2^40864472 is an apocalyptic number.

It is an amenable number.

40864472 is an abundant number, since it is smaller than the sum of its proper divisors (43122808).

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

40864472 is a wasteful number, since it uses less digits than its factorization.

40864472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2243 (or 2239 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 35.

The square root of 40864472 is about 6392.5325184937. The cubic root of 40864472 is about 344.4413615479.

It can be divided in two parts, 4086 and 4472, that added together give a palindrome (8558).

The spelling of 40864472 in words is "forty million, eight hundred sixty-four thousand, four hundred seventy-two".