28415153850 has 48 divisors (see below), whose sum is σ = 70772113152. Its totient is φ = 7544844160.

The previous prime is 28415153831. The next prime is 28415153903. The reversal of 28415153850 is 5835151482.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 371562 + ... + 441461.

It is an arithmetic number, because the mean of its divisors is an integer number (1474419024).

Almost surely, 2^28415153850 is an apocalyptic number.

28415153850 is an abundant number, since it is smaller than the sum of its proper divisors (42356959302).

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

28415153850 is a wasteful number, since it uses less digits than its factorization.

28415153850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813271 (or 813266 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 42.

The spelling of 28415153850 in words is "twenty-eight billion, four hundred fifteen million, one hundred fifty-three thousand, eight hundred fifty".