2142662652 has 96 divisors (see below), whose sum is σ = 6121660160. Its totient is φ = 643930560.

The previous prime is 2142662633. The next prime is 2142662659. The reversal of 2142662652 is 2562662412.

2142662652 is a `hidden beast` number, since 2 + 1 + 4 + 26 + 626 + 5 + 2 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142662659) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42627 + ... + 78117.

Almost surely, 2^2142662652 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 2142662652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3060830080).

2142662652 is an abundant number, since it is smaller than the sum of its proper divisors (3978997508).

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

2142662652 is a wasteful number, since it uses less digits than its factorization.

2142662652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35560 (or 35552 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 2142662652 is about 46288.9041996027. The cubic root of 2142662652 is about 1289.1929836127.

The spelling of 2142662652 in words is "two billion, one hundred forty-two million, six hundred sixty-two thousand, six hundred fifty-two".