42681650 has 48 divisors (see below), whose sum is σ = 87905088. Its totient is φ = 15288000.

The previous prime is 42681647. The next prime is 42681673. The reversal of 42681650 is 5618624.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 38504 + ... + 39596.

It is an arithmetic number, because the mean of its divisors is an integer number (1831356).

Almost surely, 2^42681650 is an apocalyptic number.

42681650 is an abundant number, since it is smaller than the sum of its proper divisors (45223438).

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

42681650 is a wasteful number, since it uses less digits than its factorization.

42681650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187 (or 1182 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 42681650 is about 6533.1194692888. The cubic root of 42681650 is about 349.4730846927.

The spelling of 42681650 in words is "forty-two million, six hundred eighty-one thousand, six hundred fifty".