23440914663390 has 160 divisors (see below), whose sum is σ = 72151824634560. Its totient is φ = 5349182063616.

The previous prime is 23440914663377. The next prime is 23440914663407. The reversal of 23440914663390 is 9336641904432.

23440914663390 is a `hidden beast` number, since 2 + 3 + 4 + 4 + 0 + 91 + 466 + 3 + 3 + 90 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 103606 + ... + 6847814.

It is an arithmetic number, because the mean of its divisors is an integer number (450948903966).

Almost surely, 2^{23440914663390} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23440914663390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36075912317280).

23440914663390 is an abundant number, since it is smaller than the sum of its proper divisors (48710909971170).

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

23440914663390 is a wasteful number, since it uses less digits than its factorization.

23440914663390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6744848 (or 6744839 counting only the distinct ones).

The product of its (nonzero) digits is 10077696, while the sum is 54.

The spelling of 23440914663390 in words is "twenty-three trillion, four hundred forty billion, nine hundred fourteen million, six hundred sixty-three thousand, three hundred ninety".