40624464 has 20 divisors (see below), whose sum is σ = 104946656. Its totient is φ = 13541472.

The previous prime is 40624459. The next prime is 40624471. The reversal of 40624464 is 46442604.

It is a super-3 number, since 3×40624464³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 423124 + ... + 423219.

Almost surely, 2^40624464 is an apocalyptic number.

It is an amenable number.

40624464 is an abundant number, since it is smaller than the sum of its proper divisors (64322192).

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

40624464 is a wasteful number, since it uses less digits than its factorization.

40624464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846354 (or 846348 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

The square root of 40624464 is about 6373.7323445529. The cubic root of 40624464 is about 343.7657048913.

The spelling of 40624464 in words is "forty million, six hundred twenty-four thousand, four hundred sixty-four".