28241890854 has 16 divisors (see below), whose sum is σ = 58939598592. Its totient is φ = 9004660808.

The previous prime is 28241890819. The next prime is 28241890879. The reversal of 28241890854 is 45809814282.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 28241890797 and 28241890806.

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, 102325554 + ... + 102325829.

It is an arithmetic number, because the mean of its divisors is an integer number (3683724912).

Almost surely, 2^28241890854 is an apocalyptic number.

28241890854 is an abundant number, since it is smaller than the sum of its proper divisors (30697707738).

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

28241890854 is a wasteful number, since it uses less digits than its factorization.

28241890854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204651411.

The product of its (nonzero) digits is 1474560, while the sum is 51.

The spelling of 28241890854 in words is "twenty-eight billion, two hundred forty-one million, eight hundred ninety thousand, eight hundred fifty-four".