3256557480 has 128 divisors (see below), whose sum is σ = 11842070400. Its totient is φ = 789465600.

The previous prime is 3256557461. The next prime is 3256557503. The reversal of 3256557480 is 847556523.

3256557480 is a `hidden beast` number, since 3 + 2 + 56 + 557 + 48 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 125181 + ... + 148940.

It is an arithmetic number, because the mean of its divisors is an integer number (92516175).

Almost surely, 2^3256557480 is an apocalyptic number.

3256557480 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3256557480 is an abundant number, since it is smaller than the sum of its proper divisors (8585512920).

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

3256557480 is a wasteful number, since it uses less digits than its factorization.

3256557480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274152 (or 274142 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 45.

The square root of 3256557480 is about 57066.2551776442. The cubic root of 3256557480 is about 1482.2435961428.

The spelling of 3256557480 in words is "three billion, two hundred fifty-six million, five hundred fifty-seven thousand, four hundred eighty".