64240626622 has 4 divisors (see below), whose sum is σ = 96360939936. Its totient is φ = 32120313310.

The previous prime is 64240626617. The next prime is 64240626677. The reversal of 64240626622 is 22662604246.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16060156654 + ... + 16060156657.

It is an arithmetic number, because the mean of its divisors is an integer number (24090234984).

Almost surely, 2^64240626622 is an apocalyptic number.

64240626622 is a deficient number, since it is larger than the sum of its proper divisors (32120313314).

64240626622 is a wasteful number, since it uses less digits than its factorization.

64240626622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32120313313.

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

The spelling of 64240626622 in words is "sixty-four billion, two hundred forty million, six hundred twenty-six thousand, six hundred twenty-two".