2998395840 has 224 divisors, whose sum is σ = 10744565760. Its totient is φ = 701747200.

The previous prime is 2998395839. The next prime is 2998395889. The reversal of 2998395840 is 485938992.

It is a super-2 number, since 2×2998395840² = 17980755226658611200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 301345 + ... + 311135.

Almost surely, 2^2998395840 is an apocalyptic number.

2998395840 is a gapful number since it is divisible by the number (20) 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 2998395840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5372282880).

2998395840 is an abundant number, since it is smaller than the sum of its proper divisors (7746169920).

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

2998395840 is a wasteful number, since it uses less digits than its factorization.

2998395840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9851 (or 9841 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 57.

The square root of 2998395840 is about 54757.6098820977. The cubic root of 2998395840 is about 1441.9924579108.

The spelling of 2998395840 in words is "two billion, nine hundred ninety-eight million, three hundred ninety-five thousand, eight hundred forty".