22645439381580 has 48 divisors (see below), whose sum is σ = 63414525785184. Its totient is φ = 6038089024000.

The previous prime is 22645439381569. The next prime is 22645439381633. The reversal of 22645439381580 is 8518393454622.

It is a Harshad number since it is a multiple of its sum of digits (60).

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 15 ways as a sum of consecutive naturals, for example, 21186921 + ... + 22230080.

It is an arithmetic number, because the mean of its divisors is an integer number (1321135953858).

Almost surely, 2^{22645439381580} is an apocalyptic number.

22645439381580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22645439381580 is an abundant number, since it is smaller than the sum of its proper divisors (40769086403604).

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

22645439381580 is a wasteful number, since it uses less digits than its factorization.

22645439381580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43425706 (or 43425704 counting only the distinct ones).

The product of its (nonzero) digits is 49766400, while the sum is 60.

The spelling of 22645439381580 in words is "twenty-two trillion, six hundred forty-five billion, four hundred thirty-nine million, three hundred eighty-one thousand, five hundred eighty".