64472002424320 has 80 divisors (see below), whose sum is σ = 155358493250400. Its totient is φ = 25659208802304.

The previous prime is 64472002424309. The next prime is 64472002424341. The reversal of 64472002424320 is 2342420027446.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62767887 + ... + 63786766.

It is an arithmetic number, because the mean of its divisors is an integer number (1941981165630).

Almost surely, 2^{64472002424320} is an apocalyptic number.

It is an amenable number.

64472002424320 is an abundant number, since it is smaller than the sum of its proper divisors (90886490826080).

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

64472002424320 is a wasteful number, since it uses less digits than its factorization.

64472002424320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126554875 (or 126554859 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 40.

The spelling of 64472002424320 in words is "sixty-four trillion, four hundred seventy-two billion, two million, four hundred twenty-four thousand, three hundred twenty".