454872840446 has 4 divisors (see below), whose sum is σ = 682309260672. Its totient is φ = 227436420222.

The previous prime is 454872840439. The next prime is 454872840463. The reversal of 454872840446 is 644048278454.

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

It is a junction number, because it is equal to n+sod(n) for n = 454872840391 and 454872840400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113718210110 + ... + 113718210113.

It is an arithmetic number, because the mean of its divisors is an integer number (170577315168).

Almost surely, 2^454872840446 is an apocalyptic number.

454872840446 is a deficient number, since it is larger than the sum of its proper divisors (227436420226).

454872840446 is a wasteful number, since it uses less digits than its factorization.

454872840446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227436420225.

The product of its (nonzero) digits is 27525120, while the sum is 56.

The spelling of 454872840446 in words is "four hundred fifty-four billion, eight hundred seventy-two million, eight hundred forty thousand, four hundred forty-six".