2150939952 has 120 divisors (see below), whose sum is σ = 6966935040. Its totient is φ = 606752640.

The previous prime is 2150939939. The next prime is 2150939953. The reversal of 2150939952 is 2599390512.

2150939952 is a `hidden beast` number, since 2 + 1 + 509 + 3 + 99 + 52 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 2150939898 and 2150939907.

It is not an unprimeable number, because it can be changed into a prime (2150939953) 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, 66127 + ... + 93137.

It is an arithmetic number, because the mean of its divisors is an integer number (58057792).

Almost surely, 2^2150939952 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 2150939952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3483467520).

2150939952 is an abundant number, since it is smaller than the sum of its proper divisors (4815995088).

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

2150939952 is a wasteful number, since it uses less digits than its factorization.

2150939952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27111 (or 27102 counting only the distinct ones).

The product of its (nonzero) digits is 218700, while the sum is 45.

The square root of 2150939952 is about 46378.2271329985. The cubic root of 2150939952 is about 1290.8509402719.

The spelling of 2150939952 in words is "two billion, one hundred fifty million, nine hundred thirty-nine thousand, nine hundred fifty-two".