2540534574 has 16 divisors (see below), whose sum is σ = 5348494080. Its totient is φ = 802274040.

The previous prime is 2540534429. The next prime is 2540534597. The reversal of 2540534574 is 4754350452.

It is a super-2 number, since 2×2540534574² = 12908631843378722952, which contains 22 as substring.

It is a congruent number.

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, 11142582 + ... + 11142809.

It is an arithmetic number, because the mean of its divisors is an integer number (334280880).

Almost surely, 2^2540534574 is an apocalyptic number.

2540534574 is an abundant number, since it is smaller than the sum of its proper divisors (2807959506).

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

2540534574 is a wasteful number, since it uses less digits than its factorization.

2540534574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22285415.

The product of its (nonzero) digits is 336000, while the sum is 39.

The square root of 2540534574 is about 50403.7158749233. The cubic root of 2540534574 is about 1364.5047018897.

The spelling of 2540534574 in words is "two billion, five hundred forty million, five hundred thirty-four thousand, five hundred seventy-four".