2522660940 has 72 divisors (see below), whose sum is σ = 8102203200. Its totient is φ = 633137664.

The previous prime is 2522660911. The next prime is 2522660971. The reversal of 2522660940 is 490662252.

2522660940 is a `hidden beast` number, since 2 + 5 + 2 + 2 + 6 + 609 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2522660895 and 2522660904.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 409140 + ... + 415259.

It is an arithmetic number, because the mean of its divisors is an integer number (112530600).

Almost surely, 2^2522660940 is an apocalyptic number.

2522660940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2522660940 is an abundant number, since it is smaller than the sum of its proper divisors (5579542260).

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

2522660940 is a wasteful number, since it uses less digits than its factorization.

2522660940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824431 (or 824426 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 2522660940 is about 50226.0981960574. The cubic root of 2522660940 is about 1361.2972303860.

The spelling of 2522660940 in words is "two billion, five hundred twenty-two million, six hundred sixty thousand, nine hundred forty".