42099232 has 36 divisors (see below), whose sum is σ = 96418350. Its totient is φ = 18041856.

The previous prime is 42099227. The next prime is 42099287. The reversal of 42099232 is 23299024.

It can be written as a sum of positive squares in only one way, i.e., 38987536 + 3111696 = 6244^2 + 1764^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42099194 and 42099203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11857 + ... + 14992.

Almost surely, 2^42099232 is an apocalyptic number.

It is an amenable number.

42099232 is an abundant number, since it is smaller than the sum of its proper divisors (54319118).

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

42099232 is a wasteful number, since it uses less digits than its factorization.

42099232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26873 (or 26858 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 42099232 is about 6488.3920966600. The cubic root of 42099232 is about 347.8762055824.

The spelling of 42099232 in words is "forty-two million, ninety-nine thousand, two hundred thirty-two".