28502607490 has 64 divisors (see below), whose sum is σ = 62494530048. Its totient is φ = 9136512000.

The previous prime is 28502607487. The next prime is 28502607517. The reversal of 28502607490 is 9470620582.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100380 + ... + 259000.

It is an arithmetic number, because the mean of its divisors is an integer number (976477032).

Almost surely, 2^28502607490 is an apocalyptic number.

28502607490 is an abundant number, since it is smaller than the sum of its proper divisors (33991922558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28502607490 is a wasteful number, since it uses less digits than its factorization.

28502607490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158803.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 28502607490 in words is "twenty-eight billion, five hundred two million, six hundred seven thousand, four hundred ninety".