8140923942 has 16 divisors (see below), whose sum is σ = 16309036800. Its totient is φ = 2709109832.

The previous prime is 8140923941. The next prime is 8140923953. The reversal of 8140923942 is 2493290418.

It is a junction number, because it is equal to n+sod(n) for n = 8140923894 and 8140923903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8140923941) 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, 1128978 + ... + 1136165.

It is an arithmetic number, because the mean of its divisors is an integer number (1019314800).

Almost surely, 2^8140923942 is an apocalyptic number.

8140923942 is an abundant number, since it is smaller than the sum of its proper divisors (8168112858).

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

8140923942 is a wasteful number, since it uses less digits than its factorization.

8140923942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2265747.

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 8140923942 is about 90227.0687875872. The cubic root of 8140923942 is about 2011.6753720504.

The spelling of 8140923942 in words is "eight billion, one hundred forty million, nine hundred twenty-three thousand, nine hundred forty-two".