64426620226 has 32 divisors (see below), whose sum is σ = 102043411200. Its totient is φ = 30462082560.

The previous prime is 64426620211. The next prime is 64426620239. The reversal of 64426620226 is 62202662446.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 892626 + ... + 962098.

It is an arithmetic number, because the mean of its divisors is an integer number (3188856600).

Almost surely, 2^64426620226 is an apocalyptic number.

64426620226 is a deficient number, since it is larger than the sum of its proper divisors (37616790974).

64426620226 is a wasteful number, since it uses less digits than its factorization.

64426620226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69834.

The product of its (nonzero) digits is 331776, while the sum is 40.

The spelling of 64426620226 in words is "sixty-four billion, four hundred twenty-six million, six hundred twenty thousand, two hundred twenty-six".