450990552 has 64 divisors (see below), whose sum is σ = 1204869600. Its totient is φ = 140175360.

The previous prime is 450990541. The next prime is 450990557. The reversal of 450990552 is 255099054.

It is a self number, because there is not a number n which added to its sum of digits gives 450990552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450990557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39402 + ... + 49542.

Almost surely, 2^450990552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 450990552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (602434800).

450990552 is an abundant number, since it is smaller than the sum of its proper divisors (753879048).

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

450990552 is a wasteful number, since it uses less digits than its factorization.

450990552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10276 (or 10272 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 39.

The square root of 450990552 is about 21236.5381359580. The cubic root of 450990552 is about 766.8712939193.

The spelling of 450990552 in words is "four hundred fifty million, nine hundred ninety thousand, five hundred fifty-two".