2042156572 has 12 divisors (see below), whose sum is σ = 3609158616. Its totient is φ = 1010968400.

The previous prime is 2042156563. The next prime is 2042156579. The reversal of 2042156572 is 2756512402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042156579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2527018 + ... + 2527825.

It is an arithmetic number, because the mean of its divisors is an integer number (300763218).

Almost surely, 2^2042156572 is an apocalyptic number.

It is an amenable number.

2042156572 is a deficient number, since it is larger than the sum of its proper divisors (1567002044).

2042156572 is a wasteful number, since it uses less digits than its factorization.

2042156572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5054948 (or 5054946 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 2042156572 is about 45190.2265097222. The cubic root of 2042156572 is about 1268.7118962826.

Adding to 2042156572 its reverse (2756512402), we get a palindrome (4798668974).

The spelling of 2042156572 in words is "two billion, forty-two million, one hundred fifty-six thousand, five hundred seventy-two".