18478688760 has 320 divisors, whose sum is σ = 71257190400. Its totient is φ = 4207313664.

The previous prime is 18478688759. The next prime is 18478688771. The reversal of 18478688760 is 6788687481.

18478688760 is a `hidden beast` number, since 18 + 478 + 6 + 88 + 76 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 6417001 + ... + 6419879.

It is an arithmetic number, because the mean of its divisors is an integer number (222678720).

Almost surely, 2^18478688760 is an apocalyptic number.

18478688760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18478688760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35628595200).

18478688760 is an abundant number, since it is smaller than the sum of its proper divisors (52778501640).

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

18478688760 is a wasteful number, since it uses less digits than its factorization.

18478688760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3192 (or 3179 counting only the distinct ones).

The product of its (nonzero) digits is 28901376, while the sum is 63.

The spelling of 18478688760 in words is "eighteen billion, four hundred seventy-eight million, six hundred eighty-eight thousand, seven hundred sixty".