64446060 has 48 divisors (see below), whose sum is σ = 206228736. Its totient is φ = 14730432.

The previous prime is 64446059. The next prime is 64446077. The reversal of 64446060 is 6064446.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76302 + ... + 77141.

It is an arithmetic number, because the mean of its divisors is an integer number (4296432).

Almost surely, 2^64446060 is an apocalyptic number.

64446060 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

64446060 is an abundant number, since it is smaller than the sum of its proper divisors (141782676).

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

64446060 is a wasteful number, since it uses less digits than its factorization.

64446060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153462 (or 153460 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 64446060 is about 8027.8303420040. The cubic root of 64446060 is about 400.9271410301.

The spelling of 64446060 in words is "sixty-four million, four hundred forty-six thousand, sixty".