30256054776560 has 40 divisors (see below), whose sum is σ = 71070536934096. Its totient is φ = 11977654671360.

The previous prime is 30256054776553. The next prime is 30256054776569. The reversal of 30256054776560 is 6567745065203.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 30256054776496 and 30256054776505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30256054776569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1949480306 + ... + 1949495825.

Almost surely, 2^{30256054776560} is an apocalyptic number.

It is an amenable number.

30256054776560 is an abundant number, since it is smaller than the sum of its proper divisors (40814482157536).

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

30256054776560 is a wasteful number, since it uses less digits than its factorization.

30256054776560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3898976241 (or 3898976235 counting only the distinct ones).

The product of its (nonzero) digits is 31752000, while the sum is 56.

The spelling of 30256054776560 in words is "thirty trillion, two hundred fifty-six billion, fifty-four million, seven hundred seventy-six thousand, five hundred sixty".