5448889440 has 120 divisors (see below), whose sum is σ = 19230084720. Its totient is φ = 1453033728.

The previous prime is 5448889427. The next prime is 5448889513. The reversal of 5448889440 is 449888445.

It is a happy number.

5448889440 is a `hidden beast` number, since 5 + 44 + 88 + 89 + 440 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×5448889440² = 59380792258687027200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 197260 + ... + 223179.

It is an arithmetic number, because the mean of its divisors is an integer number (160250706).

Almost surely, 2^5448889440 is an apocalyptic number.

It is an amenable number.

5448889440 is an abundant number, since it is smaller than the sum of its proper divisors (13781195280).

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

5448889440 is a wasteful number, since it uses less digits than its factorization.

5448889440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420466 (or 420449 counting only the distinct ones).

The product of its (nonzero) digits is 5898240, while the sum is 54.

The square root of 5448889440 is about 73816.5932565301. The cubic root of 5448889440 is about 1759.6893218836.

The spelling of 5448889440 in words is "five billion, four hundred forty-eight million, eight hundred eighty-nine thousand, four hundred forty".