40042080001 has 48 divisors (see below), whose sum is σ = 51381683584. Its totient is φ = 30536352000.

The previous prime is 40042079989. The next prime is 40042080037. The reversal of 40042080001 is 10008024004.

It is not a de Polignac number, because 40042080001 - 2⁹ = 40042079489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40042080101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10899901 + ... + 10903573.

Almost surely, 2^40042080001 is an apocalyptic number.

It is an amenable number.

40042080001 is a deficient number, since it is larger than the sum of its proper divisors (11339603583).

40042080001 is a wasteful number, since it uses less digits than its factorization.

40042080001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3974 (or 3963 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The spelling of 40042080001 in words is "forty billion, forty-two million, eighty thousand, one".