42092712940 has 24 divisors (see below), whose sum is σ = 91442791440. Its totient is φ = 16256495808.

The previous prime is 42092712931. The next prime is 42092712941. The reversal of 42092712940 is 4921729024.

It is a junction number, because it is equal to n+sod(n) for n = 42092712893 and 42092712902.

It is not an unprimeable number, because it can be changed into a prime (42092712941) 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, 36286242 + ... + 36287401.

It is an arithmetic number, because the mean of its divisors is an integer number (3810116310).

Almost surely, 2^42092712940 is an apocalyptic number.

It is an amenable number.

42092712940 is an abundant number, since it is smaller than the sum of its proper divisors (49350078500).

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

42092712940 is a wasteful number, since it uses less digits than its factorization.

42092712940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72573681 (or 72573679 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The spelling of 42092712940 in words is "forty-two billion, ninety-two million, seven hundred twelve thousand, nine hundred forty".