5623149440 has 32 divisors (see below), whose sum is σ = 13442843160. Its totient is φ = 2249259520.

The previous prime is 5623149421. The next prime is 5623149473. The reversal of 5623149440 is 449413265.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 5623149394 and 5623149403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4392446 + ... + 4393725.

Almost surely, 2^5623149440 is an apocalyptic number.

It is an amenable number.

5623149440 is an abundant number, since it is smaller than the sum of its proper divisors (7819693720).

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

5623149440 is an equidigital number, since it uses as much as digits as its factorization.

5623149440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8786190 (or 8786178 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 5623149440 is about 74987.6619184783. The cubic root of 5623149440 is about 1778.2516013878.

The spelling of 5623149440 in words is "five billion, six hundred twenty-three million, one hundred forty-nine thousand, four hundred forty".