5143357440 has 672 divisors, whose sum is σ = 20302387560. Its totient is φ = 1242169344.

The previous prime is 5143357393. The next prime is 5143357469. The reversal of 5143357440 is 447533415.

5143357440 is a `hidden beast` number, since 5 + 1 + 43 + 3 + 574 + 40 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3763086336 + 1380271104 = 61344^2 + 37152^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nialpdrome in base 12.

It is a zygodrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 5143357395 and 5143357404.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 97044454 + ... + 97044506.

Almost surely, 2^5143357440 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 5143357440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10151193780).

5143357440 is an abundant number, since it is smaller than the sum of its proper divisors (15159030120).

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

5143357440 is an equidigital number, since it uses as much as digits as its factorization.

5143357440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111 (or 76 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

The square root of 5143357440 is about 71717.2046304093. The cubic root of 5143357440 is about 1726.1647181325.

The spelling of 5143357440 in words is "five billion, one hundred forty-three million, three hundred fifty-seven thousand, four hundred forty".