526940978256 has 240 divisors, whose sum is σ = 1906687630848. Its totient is φ = 136867708800.

The previous prime is 526940978251. The next prime is 526940978321. The reversal of 526940978256 is 652879049625.

526940978256 is a `hidden beast` number, since 52 + 69 + 409 + 78 + 2 + 56 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 526940978193 and 526940978202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (526940978251) 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, 580690 + ... + 1179441.

Almost surely, 2^526940978256 is an apocalyptic number.

526940978256 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

526940978256 is an abundant number, since it is smaller than the sum of its proper divisors (1379746652592).

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

526940978256 is a wasteful number, since it uses less digits than its factorization.

526940978256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1760172 (or 1760154 counting only the distinct ones).

The product of its (nonzero) digits is 65318400, while the sum is 63.

The spelling of 526940978256 in words is "five hundred twenty-six billion, nine hundred forty million, nine hundred seventy-eight thousand, two hundred fifty-six".