5444257440 has 48 divisors (see below), whose sum is σ = 17149412448. Its totient is φ = 1451801856.

The previous prime is 5444257387. The next prime is 5444257453. The reversal of 5444257440 is 447524445.

It is a tau number, because it is divible by the number of its divisors (48).

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, 5670622 + ... + 5671581.

It is an arithmetic number, because the mean of its divisors is an integer number (357279426).

Almost surely, 2^5444257440 is an apocalyptic number.

It is an amenable number.

5444257440 is an abundant number, since it is smaller than the sum of its proper divisors (11705155008).

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

5444257440 is a wasteful number, since it uses less digits than its factorization.

5444257440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11342221 (or 11342213 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 39.

The square root of 5444257440 is about 73785.2115264299. The cubic root of 5444257440 is about 1759.1905540914.

The spelling of 5444257440 in words is "five billion, four hundred forty-four million, two hundred fifty-seven thousand, four hundred forty".