8199000042 has 32 divisors (see below), whose sum is σ = 17586745920. Its totient is φ = 2540304000.

The previous prime is 8199000041. The next prime is 8199000053. The reversal of 8199000042 is 2400009918.

It is a junction number, because it is equal to n+sod(n) for n = 8198999967 and 8199000012.

It is not an unprimeable number, because it can be changed into a prime (8199000041) 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, 672459 + ... + 684542.

It is an arithmetic number, because the mean of its divisors is an integer number (549585810).

Almost surely, 2^8199000042 is an apocalyptic number.

8199000042 is an abundant number, since it is smaller than the sum of its proper divisors (9387745878).

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

8199000042 is a wasteful number, since it uses less digits than its factorization.

8199000042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357078.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 8199000042 is about 90548.3298686398. The cubic root of 8199000042 is about 2016.4477025778.

The spelling of 8199000042 in words is "eight billion, one hundred ninety-nine million, forty-two", and thus it is an aban number.