42444080 has 40 divisors (see below), whose sum is σ = 112781472. Its totient is φ = 14552064.

The previous prime is 42444079. The next prime is 42444097. The reversal of 42444080 is 8044424.

It is a tau number, because it is divible by the number of its divisors (40).

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 7 ways as a sum of consecutive naturals, for example, 37337 + ... + 38456.

Almost surely, 2^42444080 is an apocalyptic number.

42444080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42444080 is an abundant number, since it is smaller than the sum of its proper divisors (70337392).

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

42444080 is a wasteful number, since it uses less digits than its factorization.

42444080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75813 (or 75807 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

The square root of 42444080 is about 6514.9121252708. The cubic root of 42444080 is about 348.8234781351.

The spelling of 42444080 in words is "forty-two million, four hundred forty-four thousand, eighty".