4851442440 has 288 divisors, whose sum is σ = 17820803520. Its totient is φ = 1141949952.

The previous prime is 4851442429. The next prime is 4851442459. The reversal of 4851442440 is 442441584.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 4851442395 and 4851442404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1397587 + ... + 1401053.

It is an arithmetic number, because the mean of its divisors is an integer number (61877790).

Almost surely, 2^4851442440 is an apocalyptic number.

4851442440 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 4851442440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8910401760).

4851442440 is an abundant number, since it is smaller than the sum of its proper divisors (12969361080).

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

4851442440 is a wasteful number, since it uses less digits than its factorization.

4851442440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3533 (or 3513 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 36.

The square root of 4851442440 is about 69652.2967316944. The cubic root of 4851442440 is about 1692.8700737752.

The spelling of 4851442440 in words is "four billion, eight hundred fifty-one million, four hundred forty-two thousand, four hundred forty".