2582157740 has 24 divisors (see below), whose sum is σ = 5548638480. Its totient is φ = 1008842688.

The previous prime is 2582157719. The next prime is 2582157757. The reversal of 2582157740 is 477512852.

2582157740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1500395 + ... + 1502114.

It is an arithmetic number, because the mean of its divisors is an integer number (231193270).

Almost surely, 2^2582157740 is an apocalyptic number.

2582157740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2582157740 is an abundant number, since it is smaller than the sum of its proper divisors (2966480740).

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

2582157740 is a wasteful number, since it uses less digits than its factorization.

2582157740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3002561 (or 3002559 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 41.

The square root of 2582157740 is about 50814.9361900613. The cubic root of 2582157740 is about 1371.9162167244.

The spelling of 2582157740 in words is "two billion, five hundred eighty-two million, one hundred fifty-seven thousand, seven hundred forty".