2152575400 has 24 divisors (see below), whose sum is σ = 5004738270. Its totient is φ = 861030080.

The previous prime is 2152575367. The next prime is 2152575401. The reversal of 2152575400 is 45752512.

It can be written as a sum of positive squares in 3 ways, for example, as 992628036 + 1159947364 = 31506^2 + 34058^2 .

It is not an unprimeable number, because it can be changed into a prime (2152575401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5381239 + ... + 5381638.

Almost surely, 2^2152575400 is an apocalyptic number.

2152575400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2152575400 is an abundant number, since it is smaller than the sum of its proper divisors (2852162870).

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

2152575400 is a wasteful number, since it uses less digits than its factorization.

2152575400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10762893 (or 10762884 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 31.

The square root of 2152575400 is about 46395.8554183453. The cubic root of 2152575400 is about 1291.1780197200.

The spelling of 2152575400 in words is "two billion, one hundred fifty-two million, five hundred seventy-five thousand, four hundred".