5251341440 has 32 divisors (see below), whose sum is σ = 12553989660. Its totient is φ = 2100536320.

The previous prime is 5251341421. The next prime is 5251341451. The reversal of 5251341440 is 441431525.

It can be written as a sum of positive squares in 2 ways, for example, as 4892163136 + 359178304 = 69944^2 + 18952^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×5251341440² = 55153173838922547200, which contains 22 as substring.

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, 4101971 + ... + 4103250.

Almost surely, 2^5251341440 is an apocalyptic number.

It is an amenable number.

5251341440 is an abundant number, since it is smaller than the sum of its proper divisors (7302648220).

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

5251341440 is an equidigital number, since it uses as much as digits as its factorization.

5251341440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8205240 (or 8205228 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 5251341440 is about 72466.1399551542. The cubic root of 5251341440 is about 1738.1613378114.

Adding to 5251341440 its reverse (441431525), we get a palindrome (5692772965).

The spelling of 5251341440 in words is "five billion, two hundred fifty-one million, three hundred forty-one thousand, four hundred forty".