5899861440 has 672 divisors, whose sum is σ = 23348362752. Its totient is φ = 1354752000.

The previous prime is 5899861439. The next prime is 5899861453. The reversal of 5899861440 is 441689985.

5899861440 is a `hidden beast` number, since 58 + 9 + 98 + 61 + 440 = 666.

It is a super-2 number, since 2×5899861440² = 69616730022397747200, which contains 22 as substring.

It is a congruent number.

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, 83096605 + ... + 83096675.

Almost surely, 2^5899861440 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 5899861440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11674181376).

5899861440 is an abundant number, since it is smaller than the sum of its proper divisors (17448501312).

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

5899861440 is a wasteful number, since it uses less digits than its factorization.

5899861440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 54.

The square root of 5899861440 is about 76810.5555246152. Note that the first 4 decimals coincide. The cubic root of 5899861440 is about 1806.9547238090.

The spelling of 5899861440 in words is "five billion, eight hundred ninety-nine million, eight hundred sixty-one thousand, four hundred forty".