256630424173302 has 64 divisors (see below), whose sum is σ = 536481792000000. Its totient is φ = 81685958548128.

The previous prime is 256630424173301. The next prime is 256630424173303. The reversal of 256630424173302 is 203371424036652.

It is an interprime number because it is at equal distance from previous prime (256630424173301) and next prime (256630424173303).

It is a super-2 number, since 2×256630424173302² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256630424173301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 332901699 + ... + 333671697.

It is an arithmetic number, because the mean of its divisors is an integer number (8382528000000).

Almost surely, 2^{256630424173302} is an apocalyptic number.

256630424173302 is an abundant number, since it is smaller than the sum of its proper divisors (279851367826698).

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

256630424173302 is a wasteful number, since it uses less digits than its factorization.

256630424173302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774105.

The product of its (nonzero) digits is 4354560, while the sum is 48.

The spelling of 256630424173302 in words is "two hundred fifty-six trillion, six hundred thirty billion, four hundred twenty-four million, one hundred seventy-three thousand, three hundred two".