457604989442 has 4 divisors (see below), whose sum is σ = 686407484166. Its totient is φ = 228802494720.

The previous prime is 457604989441. The next prime is 457604989481. The reversal of 457604989442 is 244989406754.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 350820474601 + 106784514841 = 592301^2 + 326779^2 .

It is not an unprimeable number, because it can be changed into a prime (457604989441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114401247359 + ... + 114401247362.

Almost surely, 2^457604989442 is an apocalyptic number.

457604989442 is a deficient number, since it is larger than the sum of its proper divisors (228802494724).

457604989442 is a wasteful number, since it uses less digits than its factorization.

457604989442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228802494723.

The product of its (nonzero) digits is 69672960, while the sum is 62.

The spelling of 457604989442 in words is "four hundred fifty-seven billion, six hundred four million, nine hundred eighty-nine thousand, four hundred forty-two".