40526664 has 32 divisors (see below), whose sum is σ = 101593440. Its totient is φ = 13472000.

The previous prime is 40526617. The next prime is 40526671. The reversal of 40526664 is 46662504.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7519 + ... + 11729.

It is an arithmetic number, because the mean of its divisors is an integer number (3174795).

Almost surely, 2^40526664 is an apocalyptic number.

It is an amenable number.

40526664 is an abundant number, since it is smaller than the sum of its proper divisors (61066776).

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

40526664 is a wasteful number, since it uses less digits than its factorization.

40526664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4621 (or 4617 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 40526664 is about 6366.0556076742. The cubic root of 40526664 is about 343.4896208268.

The spelling of 40526664 in words is "forty million, five hundred twenty-six thousand, six hundred sixty-four".