2545572642 has 16 divisors (see below), whose sum is σ = 5092280352. Its totient is φ = 848335040.

The previous prime is 2545572637. The next prime is 2545572683. The reversal of 2545572642 is 2462755452.

It is a junction number, because it is equal to n+sod(n) for n = 2545572594 and 2545572603.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 16608 + ... + 73259.

It is an arithmetic number, because the mean of its divisors is an integer number (318267522).

Almost surely, 2^2545572642 is an apocalyptic number.

2545572642 is an abundant number, since it is smaller than the sum of its proper divisors (2546707710).

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

2545572642 is a wasteful number, since it uses less digits than its factorization.

2545572642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94593.

The product of its digits is 672000, while the sum is 42.

The square root of 2545572642 is about 50453.6682709989. The cubic root of 2545572642 is about 1365.4060775755.

The spelling of 2545572642 in words is "two billion, five hundred forty-five million, five hundred seventy-two thousand, six hundred forty-two".