64400222126 has 8 divisors (see below), whose sum is σ = 96728964384. Its totient is φ = 32157234000.

The previous prime is 64400222041. The next prime is 64400222147. The reversal of 64400222126 is 62122200446.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21436655 + ... + 21439658.

It is an arithmetic number, because the mean of its divisors is an integer number (12091120548).

Almost surely, 2^64400222126 is an apocalyptic number.

64400222126 is a deficient number, since it is larger than the sum of its proper divisors (32328742258).

64400222126 is a wasteful number, since it uses less digits than its factorization.

64400222126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42877066.

The product of its (nonzero) digits is 9216, while the sum is 29.

The spelling of 64400222126 in words is "sixty-four billion, four hundred million, two hundred twenty-two thousand, one hundred twenty-six".