4918717440 has 1408 divisors, whose sum is σ = 23770091520. Its totient is φ = 934281216.

The previous prime is 4918717421. The next prime is 4918717451. The reversal of 4918717440 is 447178194.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 213857269 + ... + 213857291.

Almost surely, 2^4918717440 is an apocalyptic number.

4918717440 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 4918717440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11885045760).

4918717440 is an abundant number, since it is smaller than the sum of its proper divisors (18851374080).

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

4918717440 is a wasteful number, since it uses less digits than its factorization.

4918717440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 70 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 4918717440 is about 70133.5685674129. The cubic root of 4918717440 is about 1700.6591953365.

The spelling of 4918717440 in words is "four billion, nine hundred eighteen million, seven hundred seventeen thousand, four hundred forty".