23244466440 has 128 divisors (see below), whose sum is σ = 75175027200. Its totient is φ = 5715809280.

The previous prime is 23244466429. The next prime is 23244466493. The reversal of 23244466440 is 4466444232.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1613670 + ... + 1628010.

It is an arithmetic number, because the mean of its divisors is an integer number (587304900).

Almost surely, 2^23244466440 is an apocalyptic number.

23244466440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23244466440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37587513600).

23244466440 is an abundant number, since it is smaller than the sum of its proper divisors (51930560760).

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

23244466440 is a wasteful number, since it uses less digits than its factorization.

23244466440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15407 (or 15403 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 39.

The spelling of 23244466440 in words is "twenty-three billion, two hundred forty-four million, four hundred sixty-six thousand, four hundred forty".