30546925952 has 64 divisors (see below), whose sum is σ = 61478092800. Its totient is φ = 15117709824.

The previous prime is 30546925951. The next prime is 30546925987. The reversal of 30546925952 is 25952964503.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×30546925952² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30546925952.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30546925951) 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, 7784663 + ... + 7788585.

It is an arithmetic number, because the mean of its divisors is an integer number (960595200).

Almost surely, 2^30546925952 is an apocalyptic number.

30546925952 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30546925952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30739046400).

30546925952 is an abundant number, since it is smaller than the sum of its proper divisors (30931166848).

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

30546925952 is a wasteful number, since it uses less digits than its factorization.

30546925952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4543 (or 4531 counting only the distinct ones).

The product of its (nonzero) digits is 2916000, while the sum is 50.

The spelling of 30546925952 in words is "thirty billion, five hundred forty-six million, nine hundred twenty-five thousand, nine hundred fifty-two".