450977620 has 24 divisors (see below), whose sum is σ = 947457000. Its totient is φ = 180314112.

The previous prime is 450977591. The next prime is 450977623. The reversal of 450977620 is 26779054.

It can be written as a sum of positive squares in 4 ways, for example, as 94864 + 450882756 = 308^2 + 21234^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450977623) 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, 78196 + ... + 83764.

It is an arithmetic number, because the mean of its divisors is an integer number (39477375).

Almost surely, 2^450977620 is an apocalyptic number.

It is an amenable number.

450977620 is an abundant number, since it is smaller than the sum of its proper divisors (496479380).

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

450977620 is a wasteful number, since it uses less digits than its factorization.

450977620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9627 (or 9625 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 450977620 is about 21236.2336585375. The cubic root of 450977620 is about 766.8639639251.

The spelling of 450977620 in words is "four hundred fifty million, nine hundred seventy-seven thousand, six hundred twenty".