22540452426 has 24 divisors (see below), whose sum is σ = 49056658560. Its totient is φ = 7479790056.

The previous prime is 22540452359. The next prime is 22540452443. The reversal of 22540452426 is 62425404522.

22540452426 is a `hidden beast` number, since 2 + 2 + 5 + 404 + 5 + 242 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2803716 + ... + 2811743.

It is an arithmetic number, because the mean of its divisors is an integer number (2044027440).

Almost surely, 2^22540452426 is an apocalyptic number.

22540452426 is an abundant number, since it is smaller than the sum of its proper divisors (26516206134).

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

22540452426 is a wasteful number, since it uses less digits than its factorization.

22540452426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5615690 (or 5615687 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 36.

Adding to 22540452426 its reverse (62425404522), we get a palindrome (84965856948).

The spelling of 22540452426 in words is "twenty-two billion, five hundred forty million, four hundred fifty-two thousand, four hundred twenty-six".