18779858442360 has 256 divisors, whose sum is σ = 62757592128000. Its totient is φ = 4995331614720.

The previous prime is 18779858442343. The next prime is 18779858442377. The reversal of 18779858442360 is 6324485897781.

It is a happy number.

18779858442360 is a `hidden beast` number, since 1 + 8 + 7 + 7 + 9 + 8 + 584 + 4 + 2 + 36 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (18779858442343) and next prime (18779858442377).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

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, 806302315 + ... + 806325605.

It is an arithmetic number, because the mean of its divisors is an integer number (245146844250).

It is a 2-persistent number, because it is pandigital, and so is 2⋅18779858442360 = 37559716884720, but 3⋅18779858442360 = 56339575327080 is not.

Almost surely, 2^{18779858442360} is an apocalyptic number.

18779858442360 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 18779858442360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31378796064000).

18779858442360 is an abundant number, since it is smaller than the sum of its proper divisors (43977733685640).

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

18779858442360 is a wasteful number, since it uses less digits than its factorization.

18779858442360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25163 (or 25153 counting only the distinct ones).

The product of its (nonzero) digits is 650280960, while the sum is 72.

The spelling of 18779858442360 in words is "eighteen trillion, seven hundred seventy-nine billion, eight hundred fifty-eight million, four hundred forty-two thousand, three hundred sixty".