450224056172 has 24 divisors (see below), whose sum is σ = 896889030912. Its totient is φ = 195749589200.

The previous prime is 450224056171. The next prime is 450224056201. The reversal of 450224056172 is 271650422054.

It is a super-2 number, since 2×450224056172² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (450224056171) 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, 222441704 + ... + 222443727.

It is an arithmetic number, because the mean of its divisors is an integer number (37370376288).

Almost surely, 2^450224056172 is an apocalyptic number.

It is an amenable number.

450224056172 is a deficient number, since it is larger than the sum of its proper divisors (446664974740).

450224056172 is a wasteful number, since it uses less digits than its factorization.

450224056172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444885469 (or 444885467 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 38.

The spelling of 450224056172 in words is "four hundred fifty billion, two hundred twenty-four million, fifty-six thousand, one hundred seventy-two".