42040140007 has 2 divisors, whose sum is σ = 42040140008. Its totient is φ = 42040140006.

The previous prime is 42040139951. The next prime is 42040140041. The reversal of 42040140007 is 70004104024.

42040140007 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42040140007 - 2¹¹ = 42040137959 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42040140007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42040140047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21020070003 + 21020070004.

It is an arithmetic number, because the mean of its divisors is an integer number (21020070004).

Almost surely, 2^42040140007 is an apocalyptic number.

42040140007 is a deficient number, since it is larger than the sum of its proper divisors (1).

42040140007 is an equidigital number, since it uses as much as digits as its factorization.

42040140007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 22.

The spelling of 42040140007 in words is "forty-two billion, forty million, one hundred forty thousand, seven".