22400326540 has 24 divisors (see below), whose sum is σ = 47070025632. Its totient is φ = 8954542080.

The previous prime is 22400326519. The next prime is 22400326541. The reversal of 22400326540 is 4562300422.

It is a junction number, because it is equal to n+sod(n) for n = 22400326499 and 22400326508.

It is not an unprimeable number, because it can be changed into a prime (22400326541) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 316341 + ... + 380620.

It is an arithmetic number, because the mean of its divisors is an integer number (1961251068).

Almost surely, 2^22400326540 is an apocalyptic number.

22400326540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22400326540 is an abundant number, since it is smaller than the sum of its proper divisors (24669699092).

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

22400326540 is a wasteful number, since it uses less digits than its factorization.

22400326540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698577 (or 698575 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 22400326540 its reverse (4562300422), we get a palindrome (26962626962).

The spelling of 22400326540 in words is "twenty-two billion, four hundred million, three hundred twenty-six thousand, five hundred forty".