64985044 has 12 divisors (see below), whose sum is σ = 114405984. Its totient is φ = 32297624.

The previous prime is 64985029. The next prime is 64985047. The reversal of 64985044 is 44058946.

It is a junction number, because it is equal to n+sod(n) for n = 64984988 and 64985006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64985047) 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, 47974 + ... + 49309.

It is an arithmetic number, because the mean of its divisors is an integer number (9533832).

Almost surely, 2^64985044 is an apocalyptic number.

It is an amenable number.

64985044 is a deficient number, since it is larger than the sum of its proper divisors (49420940).

64985044 is a wasteful number, since it uses less digits than its factorization.

64985044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97454 (or 97452 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 64985044 is about 8061.3301631927. The cubic root of 64985044 is about 402.0417355578.

The spelling of 64985044 in words is "sixty-four million, nine hundred eighty-five thousand, forty-four".