64006420626 has 48 divisors (see below), whose sum is σ = 143245559808. Its totient is φ = 20634048000.

The previous prime is 64006420607. The next prime is 64006420627. The reversal of 64006420626 is 62602460046.

64006420626 is a `hidden beast` number, since 6 + 4 + 0 + 0 + 6 + 4 + 20 + 626 = 666.

64006420626 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (64006420627) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 857535 + ... + 929181.

It is an arithmetic number, because the mean of its divisors is an integer number (2984282496).

Almost surely, 2^64006420626 is an apocalyptic number.

64006420626 is an abundant number, since it is smaller than the sum of its proper divisors (79239139182).

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

64006420626 is a wasteful number, since it uses less digits than its factorization.

64006420626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73287 (or 73284 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The spelling of 64006420626 in words is "sixty-four billion, six million, four hundred twenty thousand, six hundred twenty-six".