18296572812840 has 768 divisors, whose sum is σ = 71558690112000. Its totient is φ = 4158221598720.

The previous prime is 18296572812821. The next prime is 18296572812841. The reversal of 18296572812840 is 4821827569281.

18296572812840 is a `hidden beast` number, since 1 + 8 + 2 + 9 + 6 + 572 + 8 + 12 + 8 + 40 = 666.

It is a super-3 number, since 3×18296572812840³ (a number of 41 digits) contains 333 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (18296572812841) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3285429576 + ... + 3285435144.

It is an arithmetic number, because the mean of its divisors is an integer number (93175377750).

Almost surely, 2^{18296572812840} is an apocalyptic number.

18296572812840 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 18296572812840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35779345056000).

18296572812840 is an abundant number, since it is smaller than the sum of its proper divisors (53262117299160).

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

18296572812840 is an equidigital number, since it uses as much as digits as its factorization.

18296572812840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5805 (or 5767 counting only the distinct ones).

The product of its (nonzero) digits is 30965760, while the sum is 63.

The spelling of 18296572812840 in words is "eighteen trillion, two hundred ninety-six billion, five hundred seventy-two million, eight hundred twelve thousand, eight hundred forty".