18707040357 has 8 divisors (see below), whose sum is σ = 25551079680. Its totient is φ = 12167180640.

The previous prime is 18707040343. The next prime is 18707040367. The reversal of 18707040357 is 75304070781.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 18707040357 - 2⁶ = 18707040293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18707040367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76044757 + ... + 76045002.

It is an arithmetic number, because the mean of its divisors is an integer number (3193884960).

Almost surely, 2^18707040357 is an apocalyptic number.

It is an amenable number.

18707040357 is a deficient number, since it is larger than the sum of its proper divisors (6844039323).

18707040357 is a wasteful number, since it uses less digits than its factorization.

18707040357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152089803.

The product of its (nonzero) digits is 164640, while the sum is 42.

The spelling of 18707040357 in words is "eighteen billion, seven hundred seven million, forty thousand, three hundred fifty-seven".