2540933155 has 16 divisors (see below), whose sum is σ = 3109860864. Its totient is φ = 1992332160.

The previous prime is 2540933149. The next prime is 2540933159. The reversal of 2540933155 is 5513390452.

It is not a de Polignac number, because 2540933155 - 2⁵ = 2540933123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2540933159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 283645 + ... + 292465.

It is an arithmetic number, because the mean of its divisors is an integer number (194366304).

Almost surely, 2^2540933155 is an apocalyptic number.

2540933155 is a deficient number, since it is larger than the sum of its proper divisors (568927709).

2540933155 is a wasteful number, since it uses less digits than its factorization.

2540933155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9966.

The product of its (nonzero) digits is 81000, while the sum is 37.

The square root of 2540933155 is about 50407.6696049321. The cubic root of 2540933155 is about 1364.5760565847.

It can be divided in two parts, 25409 and 33155, that added together give a square (58564 = 242²).

The spelling of 2540933155 in words is "two billion, five hundred forty million, nine hundred thirty-three thousand, one hundred fifty-five".