2640252501514 has 16 divisors (see below), whose sum is σ = 3981145132008. Its totient is φ = 1313206356672.

The previous prime is 2640252501499. The next prime is 2640252501559. The reversal of 2640252501514 is 4151052520462.

It can be written as a sum of positive squares in 4 ways, for example, as 2321798825025 + 318453676489 = 1523745^2 + 564317^2 .

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, 1823572 + ... + 2933584.

Almost surely, 2^{2640252501514} is an apocalyptic number.

2640252501514 is a deficient number, since it is larger than the sum of its proper divisors (1340892630494).

2640252501514 is a wasteful number, since it uses less digits than its factorization.

2640252501514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1116249.

The product of its (nonzero) digits is 96000, while the sum is 37.

The spelling of 2640252501514 in words is "two trillion, six hundred forty billion, two hundred fifty-two million, five hundred one thousand, five hundred fourteen".