28910332363390 has 32 divisors (see below), whose sum is σ = 52124192989920. Its totient is φ = 11545112991744.

The previous prime is 28910332363331. The next prime is 28910332363403. The reversal of 28910332363390 is 9336323301982.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 411927982 + ... + 411998158.

It is an arithmetic number, because the mean of its divisors is an integer number (1628881030935).

Almost surely, 2^{28910332363390} is an apocalyptic number.

28910332363390 is a deficient number, since it is larger than the sum of its proper divisors (23213860626530).

28910332363390 is a wasteful number, since it uses less digits than its factorization.

28910332363390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137356.

The product of its (nonzero) digits is 3779136, while the sum is 52.

The spelling of 28910332363390 in words is "twenty-eight trillion, nine hundred ten billion, three hundred thirty-two million, three hundred sixty-three thousand, three hundred ninety".