42500236 has 12 divisors (see below), whose sum is σ = 74631312. Its totient is φ = 21177008.

The previous prime is 42500219. The next prime is 42500239. The reversal of 42500236 is 63200524.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (42500239) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 16960 + ... + 19303.

It is an arithmetic number, because the mean of its divisors is an integer number (6219276).

Almost surely, 2^42500236 is an apocalyptic number.

It is an amenable number.

42500236 is a deficient number, since it is larger than the sum of its proper divisors (32131076).

42500236 is a wasteful number, since it uses less digits than its factorization.

42500236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36560 (or 36558 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 42500236 is about 6519.2205055513. The cubic root of 42500236 is about 348.9772482931.

The spelling of 42500236 in words is "forty-two million, five hundred thousand, two hundred thirty-six".