450772870 has 16 divisors (see below), whose sum is σ = 830261520. Its totient is φ = 176115744.

The previous prime is 450772801. The next prime is 450772873. The reversal of 450772870 is 78277054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450772873) 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, 523725 + ... + 524584.

It is an arithmetic number, because the mean of its divisors is an integer number (51891345).

Almost surely, 2^450772870 is an apocalyptic number.

450772870 is a deficient number, since it is larger than the sum of its proper divisors (379488650).

450772870 is a wasteful number, since it uses less digits than its factorization.

450772870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048359.

The product of its (nonzero) digits is 109760, while the sum is 40.

The square root of 450772870 is about 21231.4123411515. The cubic root of 450772870 is about 766.7478907853.

It can be divided in two parts, 4507 and 72870, that added together give a palindrome (77377).

The spelling of 450772870 in words is "four hundred fifty million, seven hundred seventy-two thousand, eight hundred seventy".