30474252156 has 96 divisors (see below), whose sum is σ = 76189135680. Its totient is φ = 9446621184.

The previous prime is 30474252131. The next prime is 30474252161. The reversal of 30474252156 is 65125247403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21627580 + ... + 21628988.

It is an arithmetic number, because the mean of its divisors is an integer number (793636830).

Almost surely, 2^30474252156 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 30474252156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38094567840).

30474252156 is an abundant number, since it is smaller than the sum of its proper divisors (45714883524).

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

30474252156 is a wasteful number, since it uses less digits than its factorization.

30474252156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2623 (or 2621 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 39.

Adding to 30474252156 its reverse (65125247403), we get a palindrome (95599499559).

The spelling of 30474252156 in words is "thirty billion, four hundred seventy-four million, two hundred fifty-two thousand, one hundred fifty-six".