43444842 has 64 divisors (see below), whose sum is σ = 104820480. Its totient is φ = 11741184.

The previous prime is 43444831. The next prime is 43444859. The reversal of 43444842 is 24844434.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64218 + ... + 64890.

It is an arithmetic number, because the mean of its divisors is an integer number (1637820).

Almost surely, 2^43444842 is an apocalyptic number.

43444842 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 43444842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52410240).

43444842 is an abundant number, since it is smaller than the sum of its proper divisors (61375638).

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

43444842 is a wasteful number, since it uses less digits than its factorization.

43444842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767.

The product of its digits is 49152, while the sum is 33.

The square root of 43444842 is about 6591.2701355657. The cubic root of 43444842 is about 351.5437712373.

The spelling of 43444842 in words is "forty-three million, four hundred forty-four thousand, eight hundred forty-two".