18796390835040 has 5760 divisors, whose sum is σ = 94854172089600. Its totient is φ = 3469378977792.

The previous prime is 18796390835003. The next prime is 18796390835041. The reversal of 18796390835040 is 4053809369781.

18796390835040 is a `hidden beast` number, since 1 + 8 + 7 + 96 + 39 + 0 + 8 + 3 + 504 + 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 not an unprimeable number, because it can be changed into a prime (18796390835041) by changing a digit.

It is a polite number, since it can be written in 959 ways as a sum of consecutive naturals, for example, 354648883654 + ... + 354648883706.

It is an arithmetic number, because the mean of its divisors is an integer number (16467738210).

Almost surely, 2^{18796390835040} is an apocalyptic number.

18796390835040 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 18796390835040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47427086044800).

18796390835040 is an abundant number, since it is smaller than the sum of its proper divisors (76057781254560).

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

18796390835040 is a wasteful number, since it uses less digits than its factorization.

18796390835040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 63.

The spelling of 18796390835040 in words is "eighteen trillion, seven hundred ninety-six billion, three hundred ninety million, eight hundred thirty-five thousand, forty".