2130394572 has 72 divisors (see below), whose sum is σ = 5506156656. Its totient is φ = 694272384.

The previous prime is 2130394507. The next prime is 2130394579. The reversal of 2130394572 is 2754930312.

2130394572 is a `hidden beast` number, since 21 + 30 + 39 + 4 + 572 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (2130394579) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 583938 + ... + 587574.

It is an arithmetic number, because the mean of its divisors is an integer number (76474398).

Almost surely, 2^2130394572 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 2130394572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2753078328).

2130394572 is an abundant number, since it is smaller than the sum of its proper divisors (3375762084).

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

2130394572 is a wasteful number, since it uses less digits than its factorization.

2130394572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4007 (or 4002 counting only the distinct ones).

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

The square root of 2130394572 is about 46156.1975470250. The cubic root of 2130394572 is about 1286.7277947399.

The spelling of 2130394572 in words is "two billion, one hundred thirty million, three hundred ninety-four thousand, five hundred seventy-two".