64302020444 has 12 divisors (see below), whose sum is σ = 116158488768. Its totient is φ = 31113880800.

The previous prime is 64302020407. The next prime is 64302020491. The reversal of 64302020444 is 44402020346.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259282217 + ... + 259282464.

It is an arithmetic number, because the mean of its divisors is an integer number (9679874064).

Almost surely, 2^64302020444 is an apocalyptic number.

It is an amenable number.

64302020444 is a deficient number, since it is larger than the sum of its proper divisors (51856468324).

64302020444 is a wasteful number, since it uses less digits than its factorization.

64302020444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518564716 (or 518564714 counting only the distinct ones).

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

The spelling of 64302020444 in words is "sixty-four billion, three hundred two million, twenty thousand, four hundred forty-four".