64044546 has 8 divisors (see below), whose sum is σ = 128089104. Its totient is φ = 21348180.

The previous prime is 64044527. The next prime is 64044553. The reversal of 64044546 is 64544046.

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

64044546 is an admirable number.

It is a super-2 number, since 2×64044546² = 8203407744692232, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 5337040 + ... + 5337051.

It is an arithmetic number, because the mean of its divisors is an integer number (16011138).

Almost surely, 2^64044546 is an apocalyptic number.

64044546 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

64044546 is a wasteful number, since it uses less digits than its factorization.

64044546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10674096.

The product of its (nonzero) digits is 46080, while the sum is 33.

The square root of 64044546 is about 8002.7836407090. The cubic root of 64044546 is about 400.0927826435.

Subtracting 64044546 from its reverse (64544046), we obtain a triangular number (499500 = T₉₉₉).

The spelling of 64044546 in words is "sixty-four million, forty-four thousand, five hundred forty-six".