22604380460440 has 256 divisors, whose sum is σ = 55980195840000. Its totient is φ = 8182736432640.

The previous prime is 22604380460429. The next prime is 22604380460483. The reversal of 22604380460440 is 4406408340622.

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, 595412899 + ... + 595450861.

It is an arithmetic number, because the mean of its divisors is an integer number (218672640000).

Almost surely, 2^{22604380460440} is an apocalyptic number.

22604380460440 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 22604380460440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27990097920000).

22604380460440 is an abundant number, since it is smaller than the sum of its proper divisors (33375815379560).

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

22604380460440 is a wasteful number, since it uses less digits than its factorization.

22604380460440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38350 (or 38346 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 43.

The spelling of 22604380460440 in words is "twenty-two trillion, six hundred four billion, three hundred eighty million, four hundred sixty thousand, four hundred forty".