452540838 has 16 divisors (see below), whose sum is σ = 905292720. Its totient is φ = 150811776.

The previous prime is 452540827. The next prime is 452540843. The reversal of 452540838 is 838045254.

It is a junction number, because it is equal to n+sod(n) for n = 452540796 and 452540805.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39418 + ... + 49586.

It is an arithmetic number, because the mean of its divisors is an integer number (56580795).

Almost surely, 2^452540838 is an apocalyptic number.

452540838 is an abundant number, since it is smaller than the sum of its proper divisors (452751882).

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

452540838 is a wasteful number, since it uses less digits than its factorization.

452540838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17591.

The product of its (nonzero) digits is 153600, while the sum is 39.

The square root of 452540838 is about 21273.0072627262. The cubic root of 452540838 is about 767.7489990576.

The spelling of 452540838 in words is "four hundred fifty-two million, five hundred forty thousand, eight hundred thirty-eight".