18796455158280 has 256 divisors, whose sum is σ = 61327654778880. Its totient is φ = 4591138320384.

The previous prime is 18796455158207. The next prime is 18796455158303. The reversal of 18796455158280 is 8285155469781.

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, 10515997 + ... + 12172883.

It is an arithmetic number, because the mean of its divisors is an integer number (239561151480).

Almost surely, 2^{18796455158280} is an apocalyptic number.

18796455158280 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 18796455158280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30663827389440).

18796455158280 is an abundant number, since it is smaller than the sum of its proper divisors (42531199620600).

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

18796455158280 is a wasteful number, since it uses less digits than its factorization.

18796455158280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1657068 (or 1657064 counting only the distinct ones).

The product of its (nonzero) digits is 193536000, while the sum is 69.

The spelling of 18796455158280 in words is "eighteen trillion, seven hundred ninety-six billion, four hundred fifty-five million, one hundred fifty-eight thousand, two hundred eighty".