7992405042 has 8 divisors (see below), whose sum is σ = 15984810096. Its totient is φ = 2664135012.

The previous prime is 7992405011. The next prime is 7992405059. The reversal of 7992405042 is 2405042997.

It is a sphenic number, since it is the product of 3 distinct primes.

7992405042 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 7992404985 and 7992405003.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 666033748 + ... + 666033759.

It is an arithmetic number, because the mean of its divisors is an integer number (1998101262).

Almost surely, 2^7992405042 is an apocalyptic number.

7992405042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

7992405042 is a wasteful number, since it uses less digits than its factorization.

7992405042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332067512.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 7992405042 is about 89400.2519123968. The cubic root of 7992405042 is about 1999.3668864381.

The spelling of 7992405042 in words is "seven billion, nine hundred ninety-two million, four hundred five thousand, forty-two".