28461415850 has 24 divisors (see below), whose sum is σ = 60500839008. Its totient is φ = 9758199600.

The previous prime is 28461415841. The next prime is 28461415867. The reversal of 28461415850 is 5851416482.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40658816 + ... + 40659515.

It is an arithmetic number, because the mean of its divisors is an integer number (2520868292).

Almost surely, 2^28461415850 is an apocalyptic number.

28461415850 is an abundant number, since it is smaller than the sum of its proper divisors (32039423158).

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

28461415850 is a wasteful number, since it uses less digits than its factorization.

28461415850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81318350 (or 81318345 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 44.

The spelling of 28461415850 in words is "twenty-eight billion, four hundred sixty-one million, four hundred fifteen thousand, eight hundred fifty".