42051332 has 24 divisors (see below), whose sum is σ = 77700000. Its totient is φ = 19858176.

The previous prime is 42051329. The next prime is 42051349. The reversal of 42051332 is 23315024.

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, 33044 + ... + 34292.

It is an arithmetic number, because the mean of its divisors is an integer number (3237500).

Almost surely, 2^42051332 is an apocalyptic number.

It is an amenable number.

42051332 is a deficient number, since it is larger than the sum of its proper divisors (35648668).

42051332 is a wasteful number, since it uses less digits than its factorization.

42051332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1715 (or 1713 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 42051332 is about 6484.6998388514. The cubic root of 42051332 is about 347.7442190574.

Adding to 42051332 its reverse (23315024), we get a palindrome (65366356).

The spelling of 42051332 in words is "forty-two million, fifty-one thousand, three hundred thirty-two".