4918031820 has 432 divisors, whose sum is σ = 17393725440. Its totient is φ = 1120863744.

The previous prime is 4918031803. The next prime is 4918031863. The reversal of 4918031820 is 281308194.

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

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 38724597 + ... + 38724723.

Almost surely, 2^4918031820 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 4918031820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8696862720).

4918031820 is an abundant number, since it is smaller than the sum of its proper divisors (12475693620).

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

4918031820 is a wasteful number, since it uses less digits than its factorization.

4918031820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254 (or 236 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 4918031820 is about 70128.6804381774. The cubic root of 4918031820 is about 1700.5801733724.

The spelling of 4918031820 in words is "four billion, nine hundred eighteen million, thirty-one thousand, eight hundred twenty".