450505424 has 10 divisors (see below), whose sum is σ = 872854290. Its totient is φ = 225252704.

The previous prime is 450505421. The next prime is 450505427. The reversal of 450505424 is 424505054.

It is an interprime number because it is at equal distance from previous prime (450505421) and next prime (450505427).

It can be written as a sum of positive squares in only one way, i.e., 425184400 + 25321024 = 20620^2 + 5032^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450505421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14078279 + ... + 14078310.

It is an arithmetic number, because the mean of its divisors is an integer number (87285429).

Almost surely, 2^450505424 is an apocalyptic number.

It is an amenable number.

450505424 is a deficient number, since it is larger than the sum of its proper divisors (422348866).

450505424 is a wasteful number, since it uses less digits than its factorization.

450505424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28156597 (or 28156591 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 29.

The square root of 450505424 is about 21225.1130503468. The cubic root of 450505424 is about 766.5962222189.

The spelling of 450505424 in words is "four hundred fifty million, five hundred five thousand, four hundred twenty-four".