64022000220440 has 16 divisors (see below), whose sum is σ = 144049500496080. Its totient is φ = 25608800088160.

The previous prime is 64022000220361. The next prime is 64022000220443. The reversal of 64022000220440 is 4402200022046.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64022000220443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 800275002716 + ... + 800275002795.

It is an arithmetic number, because the mean of its divisors is an integer number (9003093781005).

Almost surely, 2^{64022000220440} is an apocalyptic number.

It is an amenable number.

64022000220440 is an abundant number, since it is smaller than the sum of its proper divisors (80027500275640).

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

64022000220440 is a wasteful number, since it uses less digits than its factorization.

64022000220440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600550005522 (or 1600550005518 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 64022000220440 its reverse (4402200022046), we get a palindrome (68424200242486).

The spelling of 64022000220440 in words is "sixty-four trillion, twenty-two billion, two hundred twenty thousand, four hundred forty".