5623516840 has 32 divisors (see below), whose sum is σ = 12661751880. Its totient is φ = 2247835392.

The previous prime is 5623516837. The next prime is 5623516841. The reversal of 5623516840 is 486153265.

It can be written as a sum of positive squares in 4 ways, for example, as 5346826884 + 276689956 = 73122^2 + 16634^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 5623516793 and 5623516802.

It is not an unprimeable number, because it can be changed into a prime (5623516841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9742 + ... + 106498.

Almost surely, 2^5623516840 is an apocalyptic number.

It is an amenable number.

5623516840 is an abundant number, since it is smaller than the sum of its proper divisors (7038235040).

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

5623516840 is a wasteful number, since it uses less digits than its factorization.

5623516840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98221 (or 98217 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The square root of 5623516840 is about 74990.1116147989. Note that the first 3 decimals coincide. The cubic root of 5623516840 is about 1778.2903291160.

The spelling of 5623516840 in words is "five billion, six hundred twenty-three million, five hundred sixteen thousand, eight hundred forty".