18053176540 has 24 divisors (see below), whose sum is σ = 43327624032. Its totient is φ = 6189660480.

The previous prime is 18053176487. The next prime is 18053176549. The reversal of 18053176540 is 4567135081.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 18053176493 and 18053176502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18053176549) 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, 64475491 + ... + 64475770.

It is an arithmetic number, because the mean of its divisors is an integer number (1805317668).

Almost surely, 2^18053176540 is an apocalyptic number.

18053176540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18053176540 is an abundant number, since it is smaller than the sum of its proper divisors (25274447492).

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

18053176540 is a wasteful number, since it uses less digits than its factorization.

18053176540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128951277 (or 128951275 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 40.

The spelling of 18053176540 in words is "eighteen billion, fifty-three million, one hundred seventy-six thousand, five hundred forty".