64044406 has 8 divisors (see below), whose sum is σ = 101717640. Its totient is φ = 30138528.

The previous prime is 64044391. The next prime is 64044413. The reversal of 64044406 is 60444046.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 941796 + ... + 941863.

It is an arithmetic number, because the mean of its divisors is an integer number (12714705).

Almost surely, 2^64044406 is an apocalyptic number.

64044406 is a deficient number, since it is larger than the sum of its proper divisors (37673234).

64044406 is a wasteful number, since it uses less digits than its factorization.

64044406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1883678.

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 64044406 is about 8002.7748937478. The cubic root of 64044406 is about 400.0924911118.

The spelling of 64044406 in words is "sixty-four million, forty-four thousand, four hundred six".