42051602 has 16 divisors (see below), whose sum is σ = 63987840. Its totient is φ = 20724768.

The previous prime is 42051589. The next prime is 42051619. The reversal of 42051602 is 20615024.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45299 + ... + 46217.

It is an arithmetic number, because the mean of its divisors is an integer number (3999240).

Almost surely, 2^42051602 is an apocalyptic number.

42051602 is a deficient number, since it is larger than the sum of its proper divisors (21936238).

42051602 is a wasteful number, since it uses less digits than its factorization.

42051602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 42051602 is about 6484.7206570522. The cubic root of 42051602 is about 347.7449633124.

Adding to 42051602 its reverse (20615024), we get a palindrome (62666626).

The spelling of 42051602 in words is "forty-two million, fifty-one thousand, six hundred two".