452240039 has 4 divisors (see below), whose sum is σ = 452514624. Its totient is φ = 451965456.

The previous prime is 452240027. The next prime is 452240081. The reversal of 452240039 is 930042254.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 452240039 - 2⁴ = 452240023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 452239993 and 452240020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452240939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134807 + ... + 138120.

It is an arithmetic number, because the mean of its divisors is an integer number (113128656).

Almost surely, 2^452240039 is an apocalyptic number.

452240039 is a deficient number, since it is larger than the sum of its proper divisors (274585).

452240039 is a wasteful number, since it uses less digits than its factorization.

452240039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274584.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 452240039 is about 21265.9361185912. The cubic root of 452240039 is about 767.5788565363.

The spelling of 452240039 in words is "four hundred fifty-two million, two hundred forty thousand, thirty-nine".