5623809840 has 240 divisors, whose sum is σ = 20659392000. Its totient is φ = 1359659520.

The previous prime is 5623809839. The next prime is 5623809871. The reversal of 5623809840 is 489083265.

5623809840 is a `hidden beast` number, since 562 + 3 + 8 + 0 + 9 + 84 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3951369 + ... + 3952791.

It is an arithmetic number, because the mean of its divisors is an integer number (86080800).

Almost surely, 2^5623809840 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 5623809840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10329696000).

5623809840 is an abundant number, since it is smaller than the sum of its proper divisors (15035582160).

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

5623809840 is a wasteful number, since it uses less digits than its factorization.

5623809840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1952 (or 1943 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 5623809840 is about 74992.0651802576. The cubic root of 5623809840 is about 1778.3212131122.

The spelling of 5623809840 in words is "five billion, six hundred twenty-three million, eight hundred nine thousand, eight hundred forty".