256236632652 has 192 divisors, whose sum is σ = 824452844544. Its totient is φ = 59774837760.

The previous prime is 256236632623. The next prime is 256236632671.

256236632652 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 156178 + ... + 732710.

It is an arithmetic number, because the mean of its divisors is an integer number (4294025232).

Almost surely, 2^256236632652 is an apocalyptic number.

256236632652 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 256236632652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (412226422272).

256236632652 is an abundant number, since it is smaller than the sum of its proper divisors (568216211892).

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

256236632652 is a wasteful number, since it uses less digits than its factorization.

256236632652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576608 (or 576606 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 48.

It can be divided in two parts, 256236 and 632652, that added together give a palindrome (888888).

The spelling of 256236632652 in words is "two hundred fifty-six billion, two hundred thirty-six million, six hundred thirty-two thousand, six hundred fifty-two".