452138604 has 12 divisors (see below), whose sum is σ = 1054990104. Its totient is φ = 150712864.

The previous prime is 452138581. The next prime is 452138641. The reversal of 452138604 is 406831254.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18839097 + ... + 18839120.

It is an arithmetic number, because the mean of its divisors is an integer number (87915842).

Almost surely, 2^452138604 is an apocalyptic number.

It is an amenable number.

452138604 is an abundant number, since it is smaller than the sum of its proper divisors (602851500).

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

452138604 is a wasteful number, since it uses less digits than its factorization.

452138604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37678224 (or 37678222 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 452138604 is about 21263.5510674958. The cubic root of 452138604 is about 767.5214643136.

Adding to 452138604 its reverse (406831254), we get a palindrome (858969858).

The spelling of 452138604 in words is "four hundred fifty-two million, one hundred thirty-eight thousand, six hundred four".