40529164 has 24 divisors (see below), whose sum is σ = 76557600. Its totient is φ = 18662784.

The previous prime is 40529141. The next prime is 40529189. The reversal of 40529164 is 46192504.

It is a super-2 number, since 2×40529164² = 3285226269077792, which contains 22 as substring.

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, 38112 + ... + 39160.

It is an arithmetic number, because the mean of its divisors is an integer number (3189900).

Almost surely, 2^40529164 is an apocalyptic number.

It is an amenable number.

40529164 is a deficient number, since it is larger than the sum of its proper divisors (36028436).

40529164 is a wasteful number, since it uses less digits than its factorization.

40529164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1809 (or 1807 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 40529164 is about 6366.2519585703. The cubic root of 40529164 is about 343.4966837191.

The spelling of 40529164 in words is "forty million, five hundred twenty-nine thousand, one hundred sixty-four".