18654040704 has 512 divisors, whose sum is σ = 62183116800. Its totient is φ = 4885512192.

The previous prime is 18654040693. The next prime is 18654040729. The reversal of 18654040704 is 40704045681.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 37085317 + ... + 37085819.

It is an arithmetic number, because the mean of its divisors is an integer number (121451400).

Almost surely, 2^18654040704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18654040704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31091558400).

18654040704 is an abundant number, since it is smaller than the sum of its proper divisors (43529076096).

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

18654040704 is a wasteful number, since it uses less digits than its factorization.

18654040704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592 (or 580 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 39.

The spelling of 18654040704 in words is "eighteen billion, six hundred fifty-four million, forty thousand, seven hundred four".