450739140 has 24 divisors (see below), whose sum is σ = 1262069760. Its totient is φ = 120197088.

The previous prime is 450739099. The next prime is 450739151. The reversal of 450739140 is 41937054.

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, 3756100 + ... + 3756219.

It is an arithmetic number, because the mean of its divisors is an integer number (52586240).

Almost surely, 2^450739140 is an apocalyptic number.

It is an amenable number.

450739140 is an abundant number, since it is smaller than the sum of its proper divisors (811330620).

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

450739140 is a wasteful number, since it uses less digits than its factorization.

450739140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7512331 (or 7512329 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 450739140 is about 21230.6179844111. The cubic root of 450739140 is about 766.7287658164.

The spelling of 450739140 in words is "four hundred fifty million, seven hundred thirty-nine thousand, one hundred forty".