42255542 has 32 divisors (see below), whose sum is σ = 76339200. Its totient is φ = 17516520.

The previous prime is 42255527. The next prime is 42255547. The reversal of 42255542 is 24555224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42255547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20273 + ... + 22259.

It is an arithmetic number, because the mean of its divisors is an integer number (2385600).

Almost surely, 2^42255542 is an apocalyptic number.

42255542 is a deficient number, since it is larger than the sum of its proper divisors (34083658).

42255542 is a wasteful number, since it uses less digits than its factorization.

42255542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2041 (or 2027 counting only the distinct ones).

The product of its digits is 16000, while the sum is 29.

The square root of 42255542 is about 6500.4262937134. The cubic root of 42255542 is about 348.3062163568.

The spelling of 42255542 in words is "forty-two million, two hundred fifty-five thousand, five hundred forty-two".