64228622302840 has 32 divisors (see below), whose sum is σ = 144515003214960. Its totient is φ = 25691341715200.

The previous prime is 64228622302813. The next prime is 64228622302891. The reversal of 64228622302840 is 4820322682246.

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, 6729900 + ... + 13181380.

Almost surely, 2^{64228622302840} is an apocalyptic number.

It is an amenable number.

64228622302840 is an abundant number, since it is smaller than the sum of its proper divisors (80286380912120).

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

64228622302840 is a wasteful number, since it uses less digits than its factorization.

64228622302840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6700383 (or 6700379 counting only the distinct ones).

The product of its (nonzero) digits is 3538944, while the sum is 49.

The spelling of 64228622302840 in words is "sixty-four trillion, two hundred twenty-eight billion, six hundred twenty-two million, three hundred two thousand, eight hundred forty".