5439925440 has 224 divisors, whose sum is σ = 19268602560. Its totient is φ = 1444773888.

The previous prime is 5439925417. The next prime is 5439925441. The reversal of 5439925440 is 445299345.

5439925440 is a `hidden beast` number, since 5 + 4 + 399 + 254 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (5439925441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2392144 + ... + 2394416.

Almost surely, 2^5439925440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5439925440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9634301280).

5439925440 is an abundant number, since it is smaller than the sum of its proper divisors (13828677120).

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

5439925440 is a wasteful number, since it uses less digits than its factorization.

5439925440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2576 (or 2560 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The square root of 5439925440 is about 73755.8502086445. The cubic root of 5439925440 is about 1758.7238338359.

The spelling of 5439925440 in words is "five billion, four hundred thirty-nine million, nine hundred twenty-five thousand, four hundred forty".