40464375 has 40 divisors (see below), whose sum is σ = 77075328. Its totient is φ = 18492000.

The previous prime is 40464371. The next prime is 40464401. The reversal of 40464375 is 57346404.

It is a happy number.

It is not a de Polignac number, because 40464375 - 2² = 40464371 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40464371) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 11584 + ... + 14666.

Almost surely, 2^40464375 is an apocalyptic number.

40464375 is a deficient number, since it is larger than the sum of its proper divisors (36610953).

40464375 is an equidigital number, since it uses as much as digits as its factorization.

40464375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3113 (or 3098 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 33.

The square root of 40464375 is about 6361.1614505529. The cubic root of 40464375 is about 343.3135507710.

The spelling of 40464375 in words is "forty million, four hundred sixty-four thousand, three hundred seventy-five".