5357447840 has 24 divisors (see below), whose sum is σ = 12656970900. Its totient is φ = 2142979072.

The previous prime is 5357447831. The next prime is 5357447867. The reversal of 5357447840 is 487447535.

It can be written as a sum of positive squares in 2 ways, for example, as 5231918224 + 125529616 = 72332^2 + 11204^2 .

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, 16741865 + ... + 16742184.

Almost surely, 2^5357447840 is an apocalyptic number.

It is an amenable number.

5357447840 is an abundant number, since it is smaller than the sum of its proper divisors (7299523060).

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

5357447840 is a wasteful number, since it uses less digits than its factorization.

5357447840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33484064 (or 33484056 counting only the distinct ones).

The product of its (nonzero) digits is 1881600, while the sum is 47.

The square root of 5357447840 is about 73194.5888710361. The cubic root of 5357447840 is about 1749.7902159412.

The spelling of 5357447840 in words is "five billion, three hundred fifty-seven million, four hundred forty-seven thousand, eight hundred forty".