40407470828 has 12 divisors (see below), whose sum is σ = 70737810192. Its totient is φ = 20196667920.

The previous prime is 40407470773. The next prime is 40407470837. The reversal of 40407470828 is 82807470404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1754000 + ... + 1776887.

It is an arithmetic number, because the mean of its divisors is an integer number (5894817516).

Almost surely, 2^40407470828 is an apocalyptic number.

It is an amenable number.

40407470828 is a deficient number, since it is larger than the sum of its proper divisors (30330339364).

40407470828 is a wasteful number, since it uses less digits than its factorization.

40407470828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3533752 (or 3533750 counting only the distinct ones).

The product of its (nonzero) digits is 401408, while the sum is 44.

The spelling of 40407470828 in words is "forty billion, four hundred seven million, four hundred seventy thousand, eight hundred twenty-eight".