64434044 has 12 divisors (see below), whose sum is σ = 113177568. Its totient is φ = 32097600.

The previous prime is 64434043. The next prime is 64434047. The reversal of 64434044 is 44043446.

It is a junction number, because it is equal to n+sod(n) for n = 64433998 and 64434016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64434043) 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, 28637 + ... + 30804.

It is an arithmetic number, because the mean of its divisors is an integer number (9431464).

Almost surely, 2^64434044 is an apocalyptic number.

It is an amenable number.

64434044 is a deficient number, since it is larger than the sum of its proper divisors (48743524).

64434044 is a wasteful number, since it uses less digits than its factorization.

64434044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59716 (or 59714 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

The square root of 64434044 is about 8027.0819106323. The cubic root of 64434044 is about 400.9022217929.

The spelling of 64434044 in words is "sixty-four million, four hundred thirty-four thousand, forty-four".