5215835440 has 40 divisors (see below), whose sum is σ = 12153909600. Its totient is φ = 2081673216.

The previous prime is 5215835423. The next prime is 5215835503. The reversal of 5215835440 is 445385125.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 5215835440.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36684 + ... + 108523.

It is an arithmetic number, because the mean of its divisors is an integer number (303847740).

Almost surely, 2^5215835440 is an apocalyptic number.

It is an amenable number.

5215835440 is an abundant number, since it is smaller than the sum of its proper divisors (6938074160).

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

5215835440 is a wasteful number, since it uses less digits than its factorization.

5215835440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145669 (or 145663 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 37.

The square root of 5215835440 is about 72220.7410651539. The cubic root of 5215835440 is about 1734.2350538338.

The spelling of 5215835440 in words is "five billion, two hundred fifteen million, eight hundred thirty-five thousand, four hundred forty".