64464441 has 8 divisors (see below), whose sum is σ = 85995360. Its totient is φ = 42954912.

The previous prime is 64464431. The next prime is 64464443. The reversal of 64464441 is 14446446.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64464441 - 2⁵ = 64464409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64464443) 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, 4045 + ... + 12053.

It is an arithmetic number, because the mean of its divisors is an integer number (10749420).

Almost surely, 2^64464441 is an apocalyptic number.

It is an amenable number.

64464441 is a deficient number, since it is larger than the sum of its proper divisors (21530919).

64464441 is a wasteful number, since it uses less digits than its factorization.

64464441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10695.

The product of its digits is 36864, while the sum is 33.

The square root of 64464441 is about 8028.9750902590. The cubic root of 64464441 is about 400.9652542536.

The spelling of 64464441 in words is "sixty-four million, four hundred sixty-four thousand, four hundred forty-one".