22734409590 has 64 divisors (see below), whose sum is σ = 60763507200. Its totient is φ = 6048667872.

The previous prime is 22734409559. The next prime is 22734409597. The reversal of 22734409590 is 9590443722.

22734409590 is a `hidden beast` number, since 2 + 27 + 34 + 4 + 0 + 9 + 590 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22734409597) 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 31 ways as a sum of consecutive naturals, for example, 22629 + ... + 214431.

It is an arithmetic number, because the mean of its divisors is an integer number (949429800).

Almost surely, 2^22734409590 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22734409590, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30381753600).

22734409590 is an abundant number, since it is smaller than the sum of its proper divisors (38029097610).

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

22734409590 is a wasteful number, since it uses less digits than its factorization.

22734409590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192258 (or 192252 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 22734409590 in words is "twenty-two billion, seven hundred thirty-four million, four hundred nine thousand, five hundred ninety".