2540737570 has 64 divisors (see below), whose sum is σ = 5539104000. Its totient is φ = 819659520.

The previous prime is 2540737553. The next prime is 2540737579. The reversal of 2540737570 is 757370452.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2540737579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 191760 + ... + 204580.

It is an arithmetic number, because the mean of its divisors is an integer number (86548500).

Almost surely, 2^2540737570 is an apocalyptic number.

2540737570 is an abundant number, since it is smaller than the sum of its proper divisors (2998366430).

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

2540737570 is a wasteful number, since it uses less digits than its factorization.

2540737570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13003.

The product of its (nonzero) digits is 205800, while the sum is 40.

The square root of 2540737570 is about 50405.7295354407. The cubic root of 2540737570 is about 1364.5410435350.

The spelling of 2540737570 in words is "two billion, five hundred forty million, seven hundred thirty-seven thousand, five hundred seventy".