5215505440 has 48 divisors (see below), whose sum is σ = 12490449048. Its totient is φ = 2057619456.

The previous prime is 5215505437. The next prime is 5215505467. The reversal of 5215505440 is 445055125.

It can be written as a sum of positive squares in 4 ways, for example, as 4965739024 + 249766416 = 70468^2 + 15804^2 .

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, 211587 + ... + 234946.

Almost surely, 2^5215505440 is an apocalyptic number.

It is an amenable number.

5215505440 is an abundant number, since it is smaller than the sum of its proper divisors (7274943608).

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

5215505440 is a wasteful number, since it uses less digits than its factorization.

5215505440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446621 (or 446613 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 31.

The square root of 5215505440 is about 72218.4563667765. The cubic root of 5215505440 is about 1734.1984786999.

The spelling of 5215505440 in words is "five billion, two hundred fifteen million, five hundred five thousand, four hundred forty".