450725838 has 24 divisors (see below), whose sum is σ = 906854904. Its totient is φ = 149346720.

The previous prime is 450725797. The next prime is 450725843. The reversal of 450725838 is 838527054.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 450725838.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 195420 + ... + 197712.

It is an arithmetic number, because the mean of its divisors is an integer number (37785621).

Almost surely, 2^450725838 is an apocalyptic number.

450725838 is an abundant number, since it is smaller than the sum of its proper divisors (456129066).

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

450725838 is a wasteful number, since it uses less digits than its factorization.

450725838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2660 (or 2479 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 42.

The square root of 450725838 is about 21230.3047081289. The cubic root of 450725838 is about 766.7212232968.

The spelling of 450725838 in words is "four hundred fifty million, seven hundred twenty-five thousand, eight hundred thirty-eight".