256480130 has 16 divisors (see below), whose sum is σ = 481737024. Its totient is φ = 98131440.

The previous prime is 256480127. The next prime is 256480141. The reversal of 256480130 is 31084652.

It is a junction number, because it is equal to n+sod(n) for n = 256480093 and 256480102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 557336 + ... + 557795.

It is an arithmetic number, because the mean of its divisors is an integer number (30108564).

Almost surely, 2^256480130 is an apocalyptic number.

256480130 is a deficient number, since it is larger than the sum of its proper divisors (225256894).

256480130 is a wasteful number, since it uses less digits than its factorization.

256480130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115161.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 256480130 is about 16014.9970340303. The cubic root of 256480130 is about 635.3571306230.

The spelling of 256480130 in words is "two hundred fifty-six million, four hundred eighty thousand, one hundred thirty".