40532664 has 16 divisors (see below), whose sum is σ = 101331720. Its totient is φ = 13510880.

The previous prime is 40532627. The next prime is 40532669. The reversal of 40532664 is 46623504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40532669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 844407 + ... + 844454.

Almost surely, 2^40532664 is an apocalyptic number.

It is an amenable number.

40532664 is an abundant number, since it is smaller than the sum of its proper divisors (60799056).

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

40532664 is a wasteful number, since it uses less digits than its factorization.

40532664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1688870 (or 1688866 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 40532664 is about 6366.5268396513. The cubic root of 40532664 is about 343.5065712805.

The spelling of 40532664 in words is "forty million, five hundred thirty-two thousand, six hundred sixty-four".