42402332 has 24 divisors (see below), whose sum is σ = 86407776. Its totient is φ = 17828928.

The previous prime is 42402307. The next prime is 42402377. The reversal of 42402332 is 23320424.

It is a congruent 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, 12803 + ... + 15770.

It is an arithmetic number, because the mean of its divisors is an integer number (3600324).

Almost surely, 2^42402332 is an apocalyptic number.

It is an amenable number.

42402332 is an abundant number, since it is smaller than the sum of its proper divisors (44005444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42402332 is a wasteful number, since it uses less digits than its factorization.

42402332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28637 (or 28635 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 42402332 is about 6511.7073030043. The cubic root of 42402332 is about 348.7090730183.

Adding to 42402332 its reverse (23320424), we get a palindrome (65722756).

The spelling of 42402332 in words is "forty-two million, four hundred two thousand, three hundred thirty-two".