5218434840 has 64 divisors (see below), whose sum is σ = 15671842560. Its totient is φ = 1390112640.

The previous prime is 5218434757. The next prime is 5218434913. The reversal of 5218434840 is 484348125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93555 + ... + 138525.

It is an arithmetic number, because the mean of its divisors is an integer number (244872540).

Almost surely, 2^5218434840 is an apocalyptic number.

It is an amenable number.

5218434840 is an abundant number, since it is smaller than the sum of its proper divisors (10453407720).

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

5218434840 is a wasteful number, since it uses less digits than its factorization.

5218434840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45952 (or 45948 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 39.

The square root of 5218434840 is about 72238.7350387588. The cubic root of 5218434840 is about 1734.5231011328.

The spelling of 5218434840 in words is "five billion, two hundred eighteen million, four hundred thirty-four thousand, eight hundred forty".