64432200223446 has 64 divisors (see below), whose sum is σ = 141198069888000. Its totient is φ = 19439010617600.

The previous prime is 64432200223423. The next prime is 64432200223463.

64432200223446 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×64432200223446² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 64432200223398 and 64432200223407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72894016 + ... + 73772636.

It is an arithmetic number, because the mean of its divisors is an integer number (2206219842000).

Almost surely, 2^{64432200223446} is an apocalyptic number.

64432200223446 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

64432200223446 is an abundant number, since it is smaller than the sum of its proper divisors (76765869664554).

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

64432200223446 is a wasteful number, since it uses less digits than its factorization.

64432200223446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883525.

The product of its (nonzero) digits is 1327104, while the sum is 42.

It can be divided in two parts, 64432200 and 223446, that added together give a palindrome (64655646).

The spelling of 64432200223446 in words is "sixty-four trillion, four hundred thirty-two billion, two hundred million, two hundred twenty-three thousand, four hundred forty-six".