450308257252 has 24 divisors (see below), whose sum is σ = 905647901760. Its totient is φ = 191911098720.

The previous prime is 450308257241. The next prime is 450308257271. The reversal of 450308257252 is 252752803054.

It is a junction number, because it is equal to n+sod(n) for n = 450308257199 and 450308257208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44917999 + ... + 44928022.

It is an arithmetic number, because the mean of its divisors is an integer number (37735329240).

Almost surely, 2^450308257252 is an apocalyptic number.

It is an amenable number.

450308257252 is an abundant number, since it is smaller than the sum of its proper divisors (455339644508).

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

450308257252 is a wasteful number, since it uses less digits than its factorization.

450308257252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89846211 (or 89846209 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 43.

The spelling of 450308257252 in words is "four hundred fifty billion, three hundred eight million, two hundred fifty-seven thousand, two hundred fifty-two".