56410381808 has 80 divisors (see below), whose sum is σ = 125103992832. Its totient is φ = 24390432000.

The previous prime is 56410381763. The next prime is 56410381817. The reversal of 56410381808 is 80818301465.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

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, 694193 + ... + 771183.

Almost surely, 2^56410381808 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 56410381808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62551996416).

56410381808 is an abundant number, since it is smaller than the sum of its proper divisors (68693611024).

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

56410381808 is a wasteful number, since it uses less digits than its factorization.

56410381808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77214 (or 77208 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 44.

The spelling of 56410381808 in words is "fifty-six billion, four hundred ten million, three hundred eighty-one thousand, eight hundred eight".