28294027402 has 32 divisors (see below), whose sum is σ = 43133238720. Its totient is φ = 13918719360.

The previous prime is 28294027351. The next prime is 28294027423. The reversal of 28294027402 is 20472049282.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16420513 + ... + 16422235.

It is an arithmetic number, because the mean of its divisors is an integer number (1347913710).

Almost surely, 2^28294027402 is an apocalyptic number.

28294027402 is a deficient number, since it is larger than the sum of its proper divisors (14839211318).

28294027402 is a wasteful number, since it uses less digits than its factorization.

28294027402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2358.

The product of its (nonzero) digits is 129024, while the sum is 40.

The spelling of 28294027402 in words is "twenty-eight billion, two hundred ninety-four million, twenty-seven thousand, four hundred two".