40289512 has 16 divisors (see below), whose sum is σ = 76671360. Its totient is φ = 19843824.

The previous prime is 40289489. The next prime is 40289527. The reversal of 40289512 is 21598204.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37048 + ... + 38119.

It is an arithmetic number, because the mean of its divisors is an integer number (4791960).

Almost surely, 2^40289512 is an apocalyptic number.

It is an amenable number.

40289512 is a deficient number, since it is larger than the sum of its proper divisors (36381848).

40289512 is a wasteful number, since it uses less digits than its factorization.

40289512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75240 (or 75236 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 40289512 is about 6347.4019882153. The cubic root of 40289512 is about 342.8183042646.

The spelling of 40289512 in words is "forty million, two hundred eighty-nine thousand, five hundred twelve".