256526377350 has 96 divisors (see below), whose sum is σ = 659555598240. Its totient is φ = 65904384000.

The previous prime is 256526377337. The next prime is 256526377357. The reversal of 256526377350 is 53773625652.

It is a junction number, because it is equal to n+sod(n) for n = 256526377293 and 256526377302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256526377357) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1941390 + ... + 2069310.

It is an arithmetic number, because the mean of its divisors is an integer number (6870370815).

Almost surely, 2^256526377350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 256526377350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (329777799120).

256526377350 is an abundant number, since it is smaller than the sum of its proper divisors (403029220890).

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

256526377350 is a wasteful number, since it uses less digits than its factorization.

256526377350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128426 (or 128421 counting only the distinct ones).

The product of its (nonzero) digits is 7938000, while the sum is 51.

The spelling of 256526377350 in words is "two hundred fifty-six billion, five hundred twenty-six million, three hundred seventy-seven thousand, three hundred fifty".