42941992 has 8 divisors (see below), whose sum is σ = 80516250. Its totient is φ = 21470992.

The previous prime is 42941981. The next prime is 42941999. The reversal of 42941992 is 29914924.

42941992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 42432196 + 509796 = 6514^2 + 714^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (42941999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2683867 + ... + 2683882.

Almost surely, 2^42941992 is an apocalyptic number.

It is an amenable number.

42941992 is a deficient number, since it is larger than the sum of its proper divisors (37574258).

42941992 is a wasteful number, since it uses less digits than its factorization.

42941992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5367755 (or 5367751 counting only the distinct ones).

The product of its digits is 46656, while the sum is 40.

The square root of 42941992 is about 6553.0139630555. The cubic root of 42941992 is about 350.1821962957.

The spelling of 42941992 in words is "forty-two million, nine hundred forty-one thousand, nine hundred ninety-two".