446742148820 has 24 divisors (see below), whose sum is σ = 1023445650528. Its totient is φ = 162451690400.

The previous prime is 446742148819. The next prime is 446742148849. The reversal of 446742148820 is 28841247644.

It is a super-2 number, since 2×446742148820² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1015322846 + ... + 1015323285.

It is an arithmetic number, because the mean of its divisors is an integer number (42643568772).

Almost surely, 2^446742148820 is an apocalyptic number.

It is an amenable number.

446742148820 is an abundant number, since it is smaller than the sum of its proper divisors (576703501708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

446742148820 is a wasteful number, since it uses less digits than its factorization.

446742148820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2030646151 (or 2030646149 counting only the distinct ones).

The product of its (nonzero) digits is 2752512, while the sum is 50.

The spelling of 446742148820 in words is "four hundred forty-six billion, seven hundred forty-two million, one hundred forty-eight thousand, eight hundred twenty".