256030544016 has 60 divisors (see below), whose sum is σ = 771647617468. Its totient is φ = 78778628352.

The previous prime is 256030543999. The next prime is 256030544023. The reversal of 256030544016 is 610445030652.

256030544016 is a `hidden beast` number, since 2 + 5 + 603 + 0 + 5 + 4 + 40 + 1 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 47908454400 + 208122089616 = 218880^2 + 456204^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68382355 + ... + 68386098.

Almost surely, 2^256030544016 is an apocalyptic number.

256030544016 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

256030544016 is an abundant number, since it is smaller than the sum of its proper divisors (515617073452).

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

256030544016 is a wasteful number, since it uses less digits than its factorization.

256030544016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136768480 (or 136768471 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 256030544016 its reverse (610445030652), we get a palindrome (866475574668).

The spelling of 256030544016 in words is "two hundred fifty-six billion, thirty million, five hundred forty-four thousand, sixteen".