5518390240 has 48 divisors (see below), whose sum is σ = 14222401200. Its totient is φ = 2006686720.

The previous prime is 5518390223. The next prime is 5518390249. The reversal of 5518390240 is 420938155.

It is a self number, because there is not a number n which added to its sum of digits gives 5518390240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5518390249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1565965 + ... + 1569484.

It is an arithmetic number, because the mean of its divisors is an integer number (296300025).

Almost surely, 2^5518390240 is an apocalyptic number.

It is an amenable number.

5518390240 is an abundant number, since it is smaller than the sum of its proper divisors (8704010960).

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

5518390240 is a wasteful number, since it uses less digits than its factorization.

5518390240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3135475 (or 3135467 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 5518390240 is about 74285.8683734666. The cubic root of 5518390240 is about 1767.1393714706.

The spelling of 5518390240 in words is "five billion, five hundred eighteen million, three hundred ninety thousand, two hundred forty".