64444413324 has 24 divisors (see below), whose sum is σ = 150392063808. Its totient is φ = 21478361680.

The previous prime is 64444413317. The next prime is 64444413361. The reversal of 64444413324 is 42331444446.

64444413324 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301542 + ... + 468845.

It is an arithmetic number, because the mean of its divisors is an integer number (6266335992).

Almost surely, 2^64444413324 is an apocalyptic number.

It is an amenable number.

64444413324 is an abundant number, since it is smaller than the sum of its proper divisors (85947650484).

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

64444413324 is a wasteful number, since it uses less digits than its factorization.

64444413324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777365 (or 777363 counting only the distinct ones).

The product of its digits is 442368, while the sum is 39.

The spelling of 64444413324 in words is "sixty-four billion, four hundred forty-four million, four hundred thirteen thousand, three hundred twenty-four".