40289164 has 6 divisors (see below), whose sum is σ = 70506044. Its totient is φ = 20144580.

The previous prime is 40289111. The next prime is 40289173. The reversal of 40289164 is 46198204.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5036142 + ... + 5036149.

Almost surely, 2^40289164 is an apocalyptic number.

It is an amenable number.

40289164 is a deficient number, since it is larger than the sum of its proper divisors (30216880).

40289164 is a wasteful number, since it uses less digits than its factorization.

40289164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10072295 (or 10072293 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 40289164 is about 6347.3745753658. The cubic root of 40289164 is about 342.8173172326.

The spelling of 40289164 in words is "forty million, two hundred eighty-nine thousand, one hundred sixty-four".