56923440000 has 640 divisors, whose sum is σ = 223104583680. Its totient is φ = 12579840000.

The previous prime is 56923439983. The next prime is 56923440019. The reversal of 56923440000 is 4432965.

It is a tau number, because it is divible by the number of its divisors (640).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 52079454 + ... + 52080546.

It is an arithmetic number, because the mean of its divisors is an integer number (348600912).

Almost surely, 2^56923440000 is an apocalyptic number.

56923440000 is a gapful number since it is divisible by the number (50) 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 56923440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111552291840).

56923440000 is an abundant number, since it is smaller than the sum of its proper divisors (166181143680).

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

56923440000 is a wasteful number, since it uses less digits than its factorization.

56923440000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1168 (or 1141 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

Adding to 56923440000 its reverse (4432965), we get a palindrome (56927872965).

The spelling of 56923440000 in words is "fifty-six billion, nine hundred twenty-three million, four hundred forty thousand".