64314444 has 12 divisors (see below), whose sum is σ = 150067064. Its totient is φ = 21438144.

The previous prime is 64314443. The next prime is 64314457. The reversal of 64314444 is 44441346.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (64314443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2679757 + ... + 2679780.

Almost surely, 2^64314444 is an apocalyptic number.

It is an amenable number.

64314444 is an abundant number, since it is smaller than the sum of its proper divisors (85752620).

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

64314444 is a wasteful number, since it uses less digits than its factorization.

64314444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5359544 (or 5359542 counting only the distinct ones).

The product of its digits is 18432, while the sum is 30.

The square root of 64314444 is about 8019.6286697078. The cubic root of 64314444 is about 400.6540217228.

The spelling of 64314444 in words is "sixty-four million, three hundred fourteen thousand, four hundred forty-four".