446228188112457 has 40 divisors (see below), whose sum is σ = 688306536803072. Its totient is φ = 287798816124000.

The previous prime is 446228188112449. The next prime is 446228188112479. The reversal of 446228188112457 is 754211881822644.

It is a happy number.

446228188112457 is a `hidden beast` number, since 4 + 4 + 6 + 22 + 81 + 8 + 81 + 1 + 2 + 457 = 666.

It is not a de Polignac number, because 446228188112457 - 2³ = 446228188112449 is a prime.

It is a super-2 number, since 2×446228188112457² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 446228188112394 and 446228188112403.

It is not an unprimeable number, because it can be changed into a prime (446228188112417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 19877794 + ... + 35882907.

Almost surely, 2^{446228188112457} is an apocalyptic number.

It is an amenable number.

446228188112457 is a deficient number, since it is larger than the sum of its proper divisors (242078348690615).

446228188112457 is a wasteful number, since it uses less digits than its factorization.

446228188112457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55763931 (or 55763922 counting only the distinct ones).

The product of its digits is 55050240, while the sum is 63.

The spelling of 446228188112457 in words is "four hundred forty-six trillion, two hundred twenty-eight billion, one hundred eighty-eight million, one hundred twelve thousand, four hundred fifty-seven".