256341501010 has 32 divisors (see below), whose sum is σ = 532169003520. Its totient is φ = 87082195392.

The previous prime is 256341500959. The next prime is 256341501061. The reversal of 256341501010 is 10105143652.

It is an interprime number because it is at equal distance from previous prime (256341500959) and next prime (256341501061).

It is a super-3 number, since 3×256341501010³ (a number of 35 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 256341501010.

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, 16790634 + ... + 16805893.

It is an arithmetic number, because the mean of its divisors is an integer number (16630281360).

Almost surely, 2^256341501010 is an apocalyptic number.

256341501010 is an abundant number, since it is smaller than the sum of its proper divisors (275827502510).

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

256341501010 is a wasteful number, since it uses less digits than its factorization.

256341501010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33596650.

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 256341501010 its reverse (10105143652), we get a palindrome (266446644662).

The spelling of 256341501010 in words is "two hundred fifty-six billion, three hundred forty-one million, five hundred one thousand, ten".