22477849440 has 96 divisors (see below), whose sum is σ = 70838240256. Its totient is φ = 5991298560.

The previous prime is 22477849439. The next prime is 22477849477. The reversal of 22477849440 is 4494877422.

It is a tau number, because it is divible by the number of its divisors (96).

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, 1147569 + ... + 1166991.

It is an arithmetic number, because the mean of its divisors is an integer number (737898336).

Almost surely, 2^22477849440 is an apocalyptic number.

22477849440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22477849440 is an abundant number, since it is smaller than the sum of its proper divisors (48360390816).

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

22477849440 is a wasteful number, since it uses less digits than its factorization.

22477849440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21852 (or 21844 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 51.

The spelling of 22477849440 in words is "twenty-two billion, four hundred seventy-seven million, eight hundred forty-nine thousand, four hundred forty".