22747400544 has 48 divisors (see below), whose sum is σ = 65140286400. Its totient is φ = 6893151360.

The previous prime is 22747400539. The next prime is 22747400581. The reversal of 22747400544 is 44500474722.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10769494 + ... + 10771605.

It is an arithmetic number, because the mean of its divisors is an integer number (1357089300).

Almost surely, 2^22747400544 is an apocalyptic number.

22747400544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22747400544 is an abundant number, since it is smaller than the sum of its proper divisors (42392885856).

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

22747400544 is a wasteful number, since it uses less digits than its factorization.

22747400544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21541123 (or 21541115 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 39.

The spelling of 22747400544 in words is "twenty-two billion, seven hundred forty-seven million, four hundred thousand, five hundred forty-four".