851459460 has 24 divisors (see below), whose sum is σ = 2384086656. Its totient is φ = 227055840.

The previous prime is 851459447. The next prime is 851459549. The reversal of 851459460 is 64954158.

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, 7095436 + ... + 7095555.

It is an arithmetic number, because the mean of its divisors is an integer number (99336944).

Almost surely, 2^851459460 is an apocalyptic number.

It is an amenable number.

851459460 is an abundant number, since it is smaller than the sum of its proper divisors (1532627196).

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

851459460 is a wasteful number, since it uses less digits than its factorization.

851459460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14191003 (or 14191001 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 851459460 is about 29179.7782719472. The cubic root of 851459460 is about 947.8100840875.

The spelling of 851459460 in words is "eight hundred fifty-one million, four hundred fifty-nine thousand, four hundred sixty".