464445122662144 has 72 divisors (see below), whose sum is σ = 999328771905632. Its totient is φ = 214157630730240.

The previous prime is 464445122662141. The next prime is 464445122662211. The reversal of 464445122662144 is 441266221544464.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (464445122662141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62105247 + ... + 69180574.

Almost surely, 2^{464445122662144} is an apocalyptic number.

It is an amenable number.

464445122662144 is an abundant number, since it is smaller than the sum of its proper divisors (534883649243488).

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

464445122662144 is a wasteful number, since it uses less digits than its factorization.

464445122662144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131286913 (or 131286899 counting only the distinct ones).

The product of its digits is 35389440, while the sum is 55.

The spelling of 464445122662144 in words is "four hundred sixty-four trillion, four hundred forty-five billion, one hundred twenty-two million, six hundred sixty-two thousand, one hundred forty-four".