40088164 has 6 divisors (see below), whose sum is σ = 70154294. Its totient is φ = 20044080.

The previous prime is 40088141. The next prime is 40088171. The reversal of 40088164 is 46188004.

It can be written as a sum of positive squares in only one way, i.e., 36120100 + 3968064 = 6010^2 + 1992^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5011017 + ... + 5011024.

Almost surely, 2^40088164 is an apocalyptic number.

It is an amenable number.

40088164 is a deficient number, since it is larger than the sum of its proper divisors (30066130).

40088164 is a wasteful number, since it uses less digits than its factorization.

40088164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10022045 (or 10022043 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 40088164 is about 6331.5214601232. The cubic root of 40088164 is about 342.2462688231.

The spelling of 40088164 in words is "forty million, eighty-eight thousand, one hundred sixty-four".