455849591378 has 4 divisors (see below), whose sum is σ = 683774387070. Its totient is φ = 227924795688.

The previous prime is 455849591371. The next prime is 455849591401. The reversal of 455849591378 is 873195948554.

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., 379600157689 + 76249433689 = 616117^2 + 276133^2 .

It is not an unprimeable number, because it can be changed into a prime (455849591371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113962397843 + ... + 113962397846.

Almost surely, 2^455849591378 is an apocalyptic number.

455849591378 is a deficient number, since it is larger than the sum of its proper divisors (227924795692).

455849591378 is a wasteful number, since it uses less digits than its factorization.

455849591378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227924795691.

The product of its digits is 217728000, while the sum is 68.

The spelling of 455849591378 in words is "four hundred fifty-five billion, eight hundred forty-nine million, five hundred ninety-one thousand, three hundred seventy-eight".