22460200440 has 64 divisors (see below), whose sum is σ = 67397616000. Its totient is φ = 5987874432.

The previous prime is 22460200429. The next prime is 22460200457. The reversal of 22460200440 is 4400206422.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 22460200440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 502111 + ... + 545009.

It is an arithmetic number, because the mean of its divisors is an integer number (1053087750).

Almost surely, 2^22460200440 is an apocalyptic number.

22460200440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22460200440 is an abundant number, since it is smaller than the sum of its proper divisors (44937415560).

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

22460200440 is a wasteful number, since it uses less digits than its factorization.

22460200440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47276 (or 47272 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 22460200440 its reverse (4400206422), we get a palindrome (26860406862).

The spelling of 22460200440 in words is "twenty-two billion, four hundred sixty million, two hundred thousand, four hundred forty".