5091459840 has 432 divisors, whose sum is σ = 18596148480. Its totient is φ = 1284341760.

The previous prime is 5091459839. The next prime is 5091459911. The reversal of 5091459840 is 489541905.

5091459840 is a `hidden beast` number, since 5 + 0 + 9 + 14 + 598 + 40 = 666.

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 47 ways as a sum of consecutive naturals, for example, 18927226 + ... + 18927494.

It is an arithmetic number, because the mean of its divisors is an integer number (43046640).

Almost surely, 2^5091459840 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 5091459840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9298074240).

5091459840 is an abundant number, since it is smaller than the sum of its proper divisors (13504688640).

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

5091459840 is a wasteful number, since it uses less digits than its factorization.

5091459840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380 (or 363 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The square root of 5091459840 is about 71354.4661531428. The cubic root of 5091459840 is about 1720.3392876737.

The spelling of 5091459840 in words is "five billion, ninety-one million, four hundred fifty-nine thousand, eight hundred forty".