450771552 has 144 divisors (see below), whose sum is σ = 1598268672. Its totient is φ = 117077760.

The previous prime is 450771539. The next prime is 450771557. The reversal of 450771552 is 255177054.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450771557) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12013 + ... + 32339.

It is an arithmetic number, because the mean of its divisors is an integer number (11099088).

Almost surely, 2^450771552 is an apocalyptic number.

450771552 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 450771552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (799134336).

450771552 is an abundant number, since it is smaller than the sum of its proper divisors (1147497120).

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

450771552 is a wasteful number, since it uses less digits than its factorization.

450771552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20361 (or 20350 counting only the distinct ones).

The product of its (nonzero) digits is 49000, while the sum is 36.

The square root of 450771552 is about 21231.3813022139. The cubic root of 450771552 is about 766.7471434949.

The spelling of 450771552 in words is "four hundred fifty million, seven hundred seventy-one thousand, five hundred fifty-two".