42641942 has 8 divisors (see below), whose sum is σ = 73100496. Its totient is φ = 18275112.

The previous prime is 42641881. The next prime is 42641969. The reversal of 42641942 is 24914624.

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

It is a junction number, because it is equal to n+sod(n) for n = 42641899 and 42641908.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1522913 + ... + 1522940.

It is an arithmetic number, because the mean of its divisors is an integer number (9137562).

Almost surely, 2^42641942 is an apocalyptic number.

42641942 is a deficient number, since it is larger than the sum of its proper divisors (30458554).

42641942 is a wasteful number, since it uses less digits than its factorization.

42641942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3045862.

The product of its digits is 13824, while the sum is 32.

The square root of 42641942 is about 6530.0797851175. The cubic root of 42641942 is about 349.3646760219.

The spelling of 42641942 in words is "forty-two million, six hundred forty-one thousand, nine hundred forty-two".