42041642 has 32 divisors (see below), whose sum is σ = 69465600. Its totient is φ = 19008000.

The previous prime is 42041639. The next prime is 42041647. The reversal of 42041642 is 24614024.

It is not an unprimeable number, because it can be changed into a prime (42041647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104642 + ... + 105042.

It is an arithmetic number, because the mean of its divisors is an integer number (2170800).

Almost surely, 2^42041642 is an apocalyptic number.

42041642 is a deficient number, since it is larger than the sum of its proper divisors (27423958).

42041642 is a wasteful number, since it uses less digits than its factorization.

42041642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 42041642 is about 6483.9526525107. The cubic root of 42041642 is about 347.7175064645.

Adding to 42041642 its reverse (24614024), we get a palindrome (66655666).

The spelling of 42041642 in words is "forty-two million, forty-one thousand, six hundred forty-two".