4458187440 has 480 divisors, whose sum is σ = 18436070016. Its totient is φ = 942243840.

The previous prime is 4458187403. The next prime is 4458187471. The reversal of 4458187440 is 447818544.

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5226054 + ... + 5226906.

Almost surely, 2^4458187440 is an apocalyptic number.

4458187440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4458187440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9218035008).

4458187440 is an abundant number, since it is smaller than the sum of its proper divisors (13977882576).

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

4458187440 is a wasteful number, since it uses less digits than its factorization.

4458187440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957 (or 948 counting only the distinct ones).

The product of its (nonzero) digits is 573440, while the sum is 45.

The square root of 4458187440 is about 66769.6595767868. The cubic root of 4458187440 is about 1645.8342962354.

The spelling of 4458187440 in words is "four billion, four hundred fifty-eight million, one hundred eighty-seven thousand, four hundred forty".