22687046403840 has 4608 divisors, whose sum is σ = 107856954777600. Its totient is φ = 4442570883072.

The previous prime is 22687046403799. The next prime is 22687046403863. The reversal of 22687046403840 is 4830464078622.

22687046403840 is a `hidden beast` number, since 2 + 26 + 87 + 0 + 464 + 0 + 3 + 84 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 511 ways as a sum of consecutive naturals, for example, 273337908439 + ... + 273337908521.

It is an arithmetic number, because the mean of its divisors is an integer number (23406457200).

Almost surely, 2^{22687046403840} is an apocalyptic number.

22687046403840 is a gapful number since it is divisible by the number (20) 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 22687046403840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53928477388800).

22687046403840 is an abundant number, since it is smaller than the sum of its proper divisors (85169908373760).

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

22687046403840 is an equidigital number, since it uses as much as digits as its factorization.

22687046403840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 12386304, while the sum is 54.

The spelling of 22687046403840 in words is "twenty-two trillion, six hundred eighty-seven billion, forty-six million, four hundred three thousand, eight hundred forty".