5623445880 has 384 divisors, whose sum is σ = 20605777920. Its totient is φ = 1320606720.

The previous prime is 5623445869. The next prime is 5623445887. The reversal of 5623445880 is 885443265.

5623445880 is a `hidden beast` number, since 5 + 6 + 23 + 44 + 588 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5623445887) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12041407 + ... + 12041873.

It is an arithmetic number, because the mean of its divisors is an integer number (53660880).

Almost surely, 2^5623445880 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 5623445880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10302888960).

5623445880 is an abundant number, since it is smaller than the sum of its proper divisors (14982332040).

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

5623445880 is a wasteful number, since it uses less digits than its factorization.

5623445880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611 (or 604 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 45.

The square root of 5623445880 is about 74989.6384842599. The cubic root of 5623445880 is about 1778.2828493356.

The spelling of 5623445880 in words is "five billion, six hundred twenty-three million, four hundred forty-five thousand, eight hundred eighty".