44021064 has 32 divisors (see below), whose sum is σ = 110243520. Its totient is φ = 14648256.

The previous prime is 44021063. The next prime is 44021069. The reversal of 44021064 is 46012044.

It is a self number, because there is not a number n which added to its sum of digits gives 44021064.

It is not an unprimeable number, because it can be changed into a prime (44021063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16957 + ... + 19379.

It is an arithmetic number, because the mean of its divisors is an integer number (3445110).

Almost surely, 2^44021064 is an apocalyptic number.

It is an amenable number.

44021064 is an abundant number, since it is smaller than the sum of its proper divisors (66222456).

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

44021064 is a wasteful number, since it uses less digits than its factorization.

44021064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3189 (or 3185 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 44021064 is about 6634.8371494710. The cubic root of 44021064 is about 353.0911603462.

The spelling of 44021064 in words is "forty-four million, twenty-one thousand, sixty-four".