22490376398784 has 672 divisors, whose sum is σ = 78468250398720. Its totient is φ = 6023028326400.

The previous prime is 22490376398719. The next prime is 22490376398797. The reversal of 22490376398784 is 48789367309422.

22490376398784 is a `hidden beast` number, since 2 + 2 + 4 + 90 + 3 + 76 + 398 + 7 + 84 = 666.

It is a tau number, because it is divible by the number of its divisors (672).

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 95 ways as a sum of consecutive naturals, for example, 712313622 + ... + 712345194.

It is an arithmetic number, because the mean of its divisors is an integer number (116768229760).

Almost surely, 2^{22490376398784} is an apocalyptic number.

22490376398784 is a gapful number since it is divisible by the number (24) 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 22490376398784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39234125199360).

22490376398784 is an abundant number, since it is smaller than the sum of its proper divisors (55977873999936).

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

22490376398784 is a wasteful number, since it uses less digits than its factorization.

22490376398784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31809 (or 31796 counting only the distinct ones).

The product of its (nonzero) digits is 877879296, while the sum is 72.

The spelling of 22490376398784 in words is "twenty-two trillion, four hundred ninety billion, three hundred seventy-six million, three hundred ninety-eight thousand, seven hundred eighty-four".