5211333440 has 28 divisors (see below), whose sum is σ = 12409488516. Its totient is φ = 2084533248.

The previous prime is 5211333431. The next prime is 5211333451. The reversal of 5211333440 is 443331125.

It can be written as a sum of positive squares in 2 ways, for example, as 1255426624 + 3955906816 = 35432^2 + 62896^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8142389 + ... + 8143028.

Almost surely, 2^5211333440 is an apocalyptic number.

It is an amenable number.

5211333440 is an abundant number, since it is smaller than the sum of its proper divisors (7198155076).

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

5211333440 is a wasteful number, since it uses less digits than its factorization.

5211333440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16285434 (or 16285424 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 5211333440 is about 72189.5660050675. The cubic root of 5211333440 is about 1733.7359472374.

Adding to 5211333440 its reverse (443331125), we get a palindrome (5654664565).

The spelling of 5211333440 in words is "five billion, two hundred eleven million, three hundred thirty-three thousand, four hundred forty".