22734267440 has 40 divisors (see below), whose sum is σ = 52879651200. Its totient is φ = 9089839616.

The previous prime is 22734267431. The next prime is 22734267443. The reversal of 22734267440 is 4476243722.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (22734267443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132692 + ... + 251148.

It is an arithmetic number, because the mean of its divisors is an integer number (1321991280).

Almost surely, 2^22734267440 is an apocalyptic number.

22734267440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22734267440 is an abundant number, since it is smaller than the sum of its proper divisors (30145383760).

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

22734267440 is a wasteful number, since it uses less digits than its factorization.

22734267440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120869 (or 120863 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 41.

The spelling of 22734267440 in words is "twenty-two billion, seven hundred thirty-four million, two hundred sixty-seven thousand, four hundred forty".