5149801800 has 1008 divisors, whose sum is σ = 22322120400. Its totient is φ = 1091750400.

The previous prime is 5149801793. The next prime is 5149801801. The reversal of 5149801800 is 81089415.

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

It is not an unprimeable number, because it can be changed into a prime (5149801801) by changing a digit.

It is a polite number, since it can be written in 251 ways as a sum of consecutive naturals, for example, 271042191 + ... + 271042209.

Almost surely, 2^5149801800 is an apocalyptic number.

5149801800 is a gapful number since it is divisible by the number (50) 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 5149801800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11161060200).

5149801800 is an abundant number, since it is smaller than the sum of its proper divisors (17172318600).

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

5149801800 is a wasteful number, since it uses less digits than its factorization.

5149801800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90 (or 53 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 5149801800 is about 71762.1195339157. The cubic root of 5149801800 is about 1726.8853488541.

The spelling of 5149801800 in words is "five billion, one hundred forty-nine million, eight hundred one thousand, eight hundred".