5447335440 has 80 divisors (see below), whose sum is σ = 17298642816. Its totient is φ = 1417190400.

The previous prime is 5447335429. The next prime is 5447335457. The reversal of 5447335440 is 445337445.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 266956 + ... + 286635.

Almost surely, 2^5447335440 is an apocalyptic number.

It is an amenable number.

5447335440 is an abundant number, since it is smaller than the sum of its proper divisors (11851307376).

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

5447335440 is a wasteful number, since it uses less digits than its factorization.

5447335440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553648 (or 553642 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 39.

The square root of 5447335440 is about 73806.0664173346. The cubic root of 5447335440 is about 1759.5220206846.

The spelling of 5447335440 in words is "five billion, four hundred forty-seven million, three hundred thirty-five thousand, four hundred forty".