42137650 has 24 divisors (see below), whose sum is σ = 79859844. Its totient is φ = 16536000.

The previous prime is 42137621. The next prime is 42137657. The reversal of 42137650 is 5673124.

It can be written as a sum of positive squares in 6 ways, for example, as 33837489 + 8300161 = 5817^2 + 2881^2 .

It is not an unprimeable number, because it can be changed into a prime (42137657) 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 11 ways as a sum of consecutive naturals, for example, 5301 + ... + 10600.

Almost surely, 2^42137650 is an apocalyptic number.

42137650 is a deficient number, since it is larger than the sum of its proper divisors (37722194).

42137650 is a wasteful number, since it uses less digits than its factorization.

42137650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15966 (or 15961 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 42137650 is about 6491.3519393113. The cubic root of 42137650 is about 347.9819925064.

The spelling of 42137650 in words is "forty-two million, one hundred thirty-seven thousand, six hundred fifty".