2142555432 has 32 divisors (see below), whose sum is σ = 5589276480. Its totient is φ = 683133440.

The previous prime is 2142555419. The next prime is 2142555433. The reversal of 2142555432 is 2345552412.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2142555393 and 2142555402.

It is not an unprimeable number, because it can be changed into a prime (2142555433) 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, 1940169 + ... + 1941272.

It is an arithmetic number, because the mean of its divisors is an integer number (174664890).

Almost surely, 2^2142555432 is an apocalyptic number.

It is an amenable number.

2142555432 is an abundant number, since it is smaller than the sum of its proper divisors (3446721048).

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

2142555432 is a wasteful number, since it uses less digits than its factorization.

2142555432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3881473 (or 3881469 counting only the distinct ones).

The product of its digits is 48000, while the sum is 33.

The square root of 2142555432 is about 46287.7460241909. The cubic root of 2142555432 is about 1289.1714792822.

The spelling of 2142555432 in words is "two billion, one hundred forty-two million, five hundred fifty-five thousand, four hundred thirty-two".