44426778 has 32 divisors (see below), whose sum is σ = 98269632. Its totient is φ = 13276800.

The previous prime is 44426719. The next prime is 44426779. The reversal of 44426778 is 87762444.

44426778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×44426778² = 3947477206922568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (44426779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208 + ... + 9428.

It is an arithmetic number, because the mean of its divisors is an integer number (3070926).

Almost surely, 2^44426778 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44426778, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49134816).

44426778 is an abundant number, since it is smaller than the sum of its proper divisors (53842854).

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

44426778 is a wasteful number, since it uses less digits than its factorization.

44426778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9310.

The product of its digits is 301056, while the sum is 42.

The square root of 44426778 is about 6665.3415516386. The cubic root of 44426778 is about 354.1725833444.

The spelling of 44426778 in words is "forty-four million, four hundred twenty-six thousand, seven hundred seventy-eight".