42644802 has 16 divisors (see below), whose sum is σ = 85379040. Its totient is φ = 14200032.

The previous prime is 42644779. The next prime is 42644803. The reversal of 42644802 is 20844624.

It is a self number, because there is not a number n which added to its sum of digits gives 42644802.

It is not an unprimeable number, because it can be changed into a prime (42644803) 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 7 ways as a sum of consecutive naturals, for example, 3574 + ... + 9902.

It is an arithmetic number, because the mean of its divisors is an integer number (5336190).

Almost surely, 2^42644802 is an apocalyptic number.

42644802 is an abundant number, since it is smaller than the sum of its proper divisors (42734238).

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

42644802 is a wasteful number, since it uses less digits than its factorization.

42644802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7457.

The product of its (nonzero) digits is 12288, while the sum is 30.

The square root of 42644802 is about 6530.2987680504. The cubic root of 42644802 is about 349.3724864904.

The spelling of 42644802 in words is "forty-two million, six hundred forty-four thousand, eight hundred two".