22006426640464 has 40 divisors (see below), whose sum is σ = 48731057123840. Its totient is φ = 9430833898368.

The previous prime is 22006426640453. The next prime is 22006426640467. The reversal of 22006426640464 is 46404662460022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22006426640467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2961504 + ... + 7265215.

It is an arithmetic number, because the mean of its divisors is an integer number (1218276428096).

Almost surely, 2^{22006426640464} is an apocalyptic number.

It is an amenable number.

22006426640464 is an abundant number, since it is smaller than the sum of its proper divisors (26724630483376).

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

22006426640464 is a wasteful number, since it uses less digits than its factorization.

22006426640464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10245947 (or 10245941 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 46.

The spelling of 22006426640464 in words is "twenty-two trillion, six billion, four hundred twenty-six million, six hundred forty thousand, four hundred sixty-four".