7940631198 has 32 divisors (see below), whose sum is σ = 16329909024. Its totient is φ = 2572273152.

The previous prime is 7940631197. The next prime is 7940631203. The reversal of 7940631198 is 8911360497.

It is a happy number.

7940631198 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7940631197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169386 + ... + 211122.

It is an arithmetic number, because the mean of its divisors is an integer number (510309657).

Almost surely, 2^7940631198 is an apocalyptic number.

7940631198 is an abundant number, since it is smaller than the sum of its proper divisors (8389277826).

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

7940631198 is a wasteful number, since it uses less digits than its factorization.

7940631198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42636.

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

The square root of 7940631198 is about 89110.2193802709. The cubic root of 7940631198 is about 1995.0403107413.

The spelling of 7940631198 in words is "seven billion, nine hundred forty million, six hundred thirty-one thousand, one hundred ninety-eight".