30561469152 has 48 divisors (see below), whose sum is σ = 80332600320. Its totient is φ = 10173347712.

The previous prime is 30561469139. The next prime is 30561469153. The reversal of 30561469152 is 25196416503.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30561469153) 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, 144448 + ... + 286335.

It is an arithmetic number, because the mean of its divisors is an integer number (1673595840).

Almost surely, 2^30561469152 is an apocalyptic number.

30561469152 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30561469152 is an abundant number, since it is smaller than the sum of its proper divisors (49771131168).

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

30561469152 is a wasteful number, since it uses less digits than its factorization.

30561469152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431535 (or 431527 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 42.

The spelling of 30561469152 in words is "thirty billion, five hundred sixty-one million, four hundred sixty-nine thousand, one hundred fifty-two".