18157436269042 has 48 divisors (see below), whose sum is σ = 32004254997792. Its totient is φ = 7703203032000.

The previous prime is 18157436269039. The next prime is 18157436269043. The reversal of 18157436269042 is 24096263475181.

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (18157436269043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1745158 + ... + 6273790.

It is an arithmetic number, because the mean of its divisors is an integer number (666755312454).

It is a 1-persistent number, because it is pandigital, but 2⋅18157436269042 = 36314872538084 is not.

Almost surely, 2^{18157436269042} is an apocalyptic number.

18157436269042 is a deficient number, since it is larger than the sum of its proper divisors (13846818728750).

18157436269042 is a wasteful number, since it uses less digits than its factorization.

18157436269042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4529063 (or 4529056 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 58.

The spelling of 18157436269042 in words is "eighteen trillion, one hundred fifty-seven billion, four hundred thirty-six million, two hundred sixty-nine thousand, forty-two".