5217870440 has 64 divisors (see below), whose sum is σ = 12621139200. Its totient is φ = 1935214848.

The previous prime is 5217870433. The next prime is 5217870479. The reversal of 5217870440 is 440787125.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 5217870394 and 5217870403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37319 + ... + 108758.

It is an arithmetic number, because the mean of its divisors is an integer number (197205300).

Almost surely, 2^5217870440 is an apocalyptic number.

It is an amenable number.

5217870440 is an abundant number, since it is smaller than the sum of its proper divisors (7403268760).

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

5217870440 is a wasteful number, since it uses less digits than its factorization.

5217870440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146154 (or 146150 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 38.

The square root of 5217870440 is about 72234.8284416873. The cubic root of 5217870440 is about 1734.4605664096.

The spelling of 5217870440 in words is "five billion, two hundred seventeen million, eight hundred seventy thousand, four hundred forty".