23444218040 has 16 divisors (see below), whose sum is σ = 52749490680. Its totient is φ = 9377687200.

The previous prime is 23444217991. The next prime is 23444218073. The reversal of 23444218040 is 4081244432.

It is a super-2 number, since 2×23444218040² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23444217988 and 23444218006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 293052686 + ... + 293052765.

Almost surely, 2^23444218040 is an apocalyptic number.

23444218040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23444218040 is an abundant number, since it is smaller than the sum of its proper divisors (29305272640).

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

23444218040 is a wasteful number, since it uses less digits than its factorization.

23444218040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586105462 (or 586105458 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

The spelling of 23444218040 in words is "twenty-three billion, four hundred forty-four million, two hundred eighteen thousand, forty".