42860444 has 24 divisors (see below), whose sum is σ = 82379136. Its totient is φ = 19350000.

The previous prime is 42860437. The next prime is 42860483. The reversal of 42860444 is 44406824.

It is a self number, because there is not a number n which added to its sum of digits gives 42860444.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3419 + ... + 9869.

It is an arithmetic number, because the mean of its divisors is an integer number (3432464).

Almost surely, 2^42860444 is an apocalyptic number.

42860444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42860444 is a deficient number, since it is larger than the sum of its proper divisors (39518692).

42860444 is a wasteful number, since it uses less digits than its factorization.

42860444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6617 (or 6615 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

The square root of 42860444 is about 6546.7888311752. The cubic root of 42860444 is about 349.9603873536.

The spelling of 42860444 in words is "forty-two million, eight hundred sixty thousand, four hundred forty-four".