9980007942 has 16 divisors (see below), whose sum is σ = 19966893552. Its totient is φ = 3325523040.

The previous prime is 9980007941. The next prime is 9980007959. The reversal of 9980007942 is 2497000899.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 9980007891 and 9980007900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9980007941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267609 + ... + 302612.

It is an arithmetic number, because the mean of its divisors is an integer number (1247930847).

Almost surely, 2^9980007942 is an apocalyptic number.

9980007942 is an abundant number, since it is smaller than the sum of its proper divisors (9986885610).

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

9980007942 is a wasteful number, since it uses less digits than its factorization.

9980007942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573143.

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 9980007942 is about 99899.9896996992. The cubic root of 9980007942 is about 2152.9980127589.

The spelling of 9980007942 in words is "nine billion, nine hundred eighty million, seven thousand, nine hundred forty-two".