4618686240 has 288 divisors, whose sum is σ = 18398016000. Its totient is φ = 1033132032.

The previous prime is 4618686229. The next prime is 4618686251. The reversal of 4618686240 is 426868164.

4618686240 is a `hidden beast` number, since 4 + 6 + 18 + 6 + 8 + 624 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (4618686229) and next prime (4618686251).

It is a tau number, because it is divible by the number of its divisors (288).

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, 468886 + ... + 478634.

It is an arithmetic number, because the mean of its divisors is an integer number (63882000).

Almost surely, 2^4618686240 is an apocalyptic number.

4618686240 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 4618686240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9199008000).

4618686240 is an abundant number, since it is smaller than the sum of its proper divisors (13779329760).

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

4618686240 is a wasteful number, since it uses less digits than its factorization.

4618686240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9824 (or 9813 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The square root of 4618686240 is about 67960.9170038192. The cubic root of 4618686240 is about 1665.3524238430.

The spelling of 4618686240 in words is "four billion, six hundred eighteen million, six hundred eighty-six thousand, two hundred forty".