2098139040 has 144 divisors (see below), whose sum is σ = 7178371200. Its totient is φ = 558061056.

The previous prime is 2098139039. The next prime is 2098139053. The reversal of 2098139040 is 409318902.

It is a tau number, because it is divible by the number of its divisors (144).

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 = 2098138986 and 2098139004.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 630501 + ... + 633819.

It is an arithmetic number, because the mean of its divisors is an integer number (49849800).

Almost surely, 2^2098139040 is an apocalyptic number.

2098139040 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 2098139040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3589185600).

2098139040 is an abundant number, since it is smaller than the sum of its proper divisors (5080232160).

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

2098139040 is a wasteful number, since it uses less digits than its factorization.

2098139040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3779 (or 3768 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 2098139040 is about 45805.4477109437. The cubic root of 2098139040 is about 1280.2007823055.

The spelling of 2098139040 in words is "two billion, ninety-eight million, one hundred thirty-nine thousand, forty".