18595140496 has 45 divisors (see below), whose sum is σ = 36606767601. Its totient is φ = 9150569856.

The previous prime is 18595140491. The next prime is 18595140511. The reversal of 18595140496 is 69404159581.

The square root of 18595140496 is 136364.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 10555507600 + 8039632896 = 102740^2 + 89664^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18595140491) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 39818055 + ... + 39818521.

Almost surely, 2^18595140496 is an apocalyptic number.

18595140496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

18595140496 is the 136364-th square number.

It is an amenable number.

18595140496 is a deficient number, since it is larger than the sum of its proper divisors (18011627105).

18595140496 is an frugal number, since it uses more digits than its factorization.

18595140496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1088 (or 542 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 52.

The spelling of 18595140496 in words is "eighteen billion, five hundred ninety-five million, one hundred forty thousand, four hundred ninety-six".