93144489440 has 96 divisors (see below), whose sum is σ = 224660187360. Its totient is φ = 36482842624.

The previous prime is 93144489401. The next prime is 93144489461. The reversal of 93144489440 is 4498444139.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2406884 + ... + 2445276.

It is an arithmetic number, because the mean of its divisors is an integer number (2340210285).

Almost surely, 2^93144489440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 93144489440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112330093680).

93144489440 is an abundant number, since it is smaller than the sum of its proper divisors (131515697920).

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

93144489440 is a wasteful number, since it uses less digits than its factorization.

93144489440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38724 (or 38716 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 50.

The spelling of 93144489440 in words is "ninety-three billion, one hundred forty-four million, four hundred eighty-nine thousand, four hundred forty".