453040042 has 32 divisors (see below), whose sum is σ = 837736704. Its totient is φ = 178934400.

The previous prime is 453039973. The next prime is 453040043. The reversal of 453040042 is 240040354.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 453039995 and 453040022.

It is not an unprimeable number, because it can be changed into a prime (453040043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136867 + ... + 140137.

It is an arithmetic number, because the mean of its divisors is an integer number (26179272).

Almost surely, 2^453040042 is an apocalyptic number.

453040042 is a deficient number, since it is larger than the sum of its proper divisors (384696662).

453040042 is a wasteful number, since it uses less digits than its factorization.

453040042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4054.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 453040042 is about 21284.7373016441. The cubic root of 453040042 is about 768.0312001304.

Adding to 453040042 its reverse (240040354), we get a palindrome (693080396).

The spelling of 453040042 in words is "four hundred fifty-three million, forty thousand, forty-two".