22815092412840 has 1024 divisors, whose sum is σ = 86397791477760. Its totient is φ = 4692427407360.

The previous prime is 22815092412799. The next prime is 22815092412841. The reversal of 22815092412840 is 4821429051822.

It is a self number, because there is not a number n which added to its sum of digits gives 22815092412840.

It is not an unprimeable number, because it can be changed into a prime (22815092412841) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 33900582744 + ... + 33900583416.

It is an arithmetic number, because the mean of its divisors is an integer number (84372843240).

Almost surely, 2^{22815092412840} is an apocalyptic number.

22815092412840 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 22815092412840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43198895738880).

22815092412840 is an abundant number, since it is smaller than the sum of its proper divisors (63582699064920).

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

22815092412840 is a wasteful number, since it uses less digits than its factorization.

22815092412840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234 (or 1230 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 48.

The spelling of 22815092412840 in words is "twenty-two trillion, eight hundred fifteen billion, ninety-two million, four hundred twelve thousand, eight hundred forty".