256471287096 has 64 divisors (see below), whose sum is σ = 660585394080. Its totient is φ = 82917388800.

The previous prime is 256471287073. The next prime is 256471287103. The reversal of 256471287096 is 690782174652.

It is a happy number.

It is a super-2 number, since 2×256471287096² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174055 + ... + 737046.

Almost surely, 2^256471287096 is an apocalyptic number.

It is an amenable number.

256471287096 is an abundant number, since it is smaller than the sum of its proper divisors (404114106984).

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

256471287096 is a wasteful number, since it uses less digits than its factorization.

256471287096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911464 (or 911460 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 57.

The spelling of 256471287096 in words is "two hundred fifty-six billion, four hundred seventy-one million, two hundred eighty-seven thousand, ninety-six".