30956000472 has 128 divisors (see below), whose sum is σ = 89991129600. Its totient is φ = 9841037184.

The previous prime is 30956000423. The next prime is 30956000479. The reversal of 30956000472 is 27400065903.

30956000472 is a `hidden beast` number, since 3 + 0 + 9 + 5 + 600 + 0 + 47 + 2 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30956000479) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1714918 + ... + 1732874.

It is an arithmetic number, because the mean of its divisors is an integer number (703055700).

Almost surely, 2^30956000472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30956000472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44995564800).

30956000472 is an abundant number, since it is smaller than the sum of its proper divisors (59035129128).

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

30956000472 is a wasteful number, since it uses less digits than its factorization.

30956000472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18342 (or 18332 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The spelling of 30956000472 in words is "thirty billion, nine hundred fifty-six million, four hundred seventy-two", and thus it is an aban number.