2140347798 has 12 divisors (see below), whose sum is σ = 4637420268. Its totient is φ = 713449260.

The previous prime is 2140347791. The next prime is 2140347827. The reversal of 2140347798 is 8977430412.

2140347798 is a `hidden beast` number, since 214 + 0 + 347 + 7 + 98 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140347791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59454088 + ... + 59454123.

It is an arithmetic number, because the mean of its divisors is an integer number (386451689).

Almost surely, 2^2140347798 is an apocalyptic number.

2140347798 is an abundant number, since it is smaller than the sum of its proper divisors (2497072470).

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

2140347798 is a wasteful number, since it uses less digits than its factorization.

2140347798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118908219 (or 118908216 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 2140347798 is about 46263.8930268519. The cubic root of 2140347798 is about 1288.7285507438.

The spelling of 2140347798 in words is "two billion, one hundred forty million, three hundred forty-seven thousand, seven hundred ninety-eight".