42102332 has 12 divisors (see below), whose sum is σ = 75392856. Its totient is φ = 20561520.

The previous prime is 42102317. The next prime is 42102343. The reversal of 42102332 is 23320124.

It is a self number, because there is not a number n which added to its sum of digits gives 42102332.

It is a congruent number.

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, 122219 + ... + 122562.

It is an arithmetic number, because the mean of its divisors is an integer number (6282738).

Almost surely, 2^42102332 is an apocalyptic number.

It is an amenable number.

42102332 is a deficient number, since it is larger than the sum of its proper divisors (33290524).

42102332 is a wasteful number, since it uses less digits than its factorization.

42102332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244828 (or 244826 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 42102332 is about 6488.6309804149. The cubic root of 42102332 is about 347.8847440577.

Adding to 42102332 its reverse (23320124), we get a palindrome (65422456).

The spelling of 42102332 in words is "forty-two million, one hundred two thousand, three hundred thirty-two".