28051807454 has 16 divisors (see below), whose sum is σ = 45993158640. Its totient is φ = 12725765760.

The previous prime is 28051807397. The next prime is 28051807493. The reversal of 28051807454 is 45470815082.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1241339 + ... + 1263734.

It is an arithmetic number, because the mean of its divisors is an integer number (2874572415).

Almost surely, 2^28051807454 is an apocalyptic number.

28051807454 is a deficient number, since it is larger than the sum of its proper divisors (17941351186).

28051807454 is a wasteful number, since it uses less digits than its factorization.

28051807454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2505595.

The product of its (nonzero) digits is 358400, while the sum is 44.

The spelling of 28051807454 in words is "twenty-eight billion, fifty-one million, eight hundred seven thousand, four hundred fifty-four".