42446766 has 16 divisors (see below), whose sum is σ = 84960000. Its totient is φ = 14137848.

The previous prime is 42446759. The next prime is 42446771. The reversal of 42446766 is 66764424.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10225 + ... + 13763.

It is an arithmetic number, because the mean of its divisors is an integer number (5310000).

Almost surely, 2^42446766 is an apocalyptic number.

42446766 is an abundant number, since it is smaller than the sum of its proper divisors (42513234).

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

42446766 is a wasteful number, since it uses less digits than its factorization.

42446766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5543.

The product of its digits is 193536, while the sum is 39.

The square root of 42446766 is about 6515.1182644677. The cubic root of 42446766 is about 348.8308362096.

The spelling of 42446766 in words is "forty-two million, four hundred forty-six thousand, seven hundred sixty-six".