2540933156 has 18 divisors (see below), whose sum is σ = 4692986550. Its totient is φ = 1203599232.

The previous prime is 2540933149. The next prime is 2540933159. The reversal of 2540933156 is 6513390452.

It can be written as a sum of positive squares in only one way, i.e., 2055171556 + 485761600 = 45334^2 + 22040^2 .

It is a Harshad number since it is a multiple of its sum of digits (38).

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 5 ways as a sum of consecutive naturals, for example, 878381 + ... + 881268.

It is an arithmetic number, because the mean of its divisors is an integer number (260721475).

Almost surely, 2^2540933156 is an apocalyptic number.

It is an amenable number.

2540933156 is a deficient number, since it is larger than the sum of its proper divisors (2152053394).

2540933156 is a wasteful number, since it uses less digits than its factorization.

2540933156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1759691 (or 1759670 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 38.

The square root of 2540933156 is about 50407.6696148513. The cubic root of 2540933156 is about 1364.5760567637.

The spelling of 2540933156 in words is "two billion, five hundred forty million, nine hundred thirty-three thousand, one hundred fifty-six".