446256471972 has 12 divisors (see below), whose sum is σ = 1041265101296. Its totient is φ = 148752157320.

The previous prime is 446256471937. The next prime is 446256472037. The reversal of 446256471972 is 279174652644.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18594019654 + ... + 18594019677.

Almost surely, 2^446256471972 is an apocalyptic number.

It is an amenable number.

446256471972 is an abundant number, since it is smaller than the sum of its proper divisors (595008629324).

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

446256471972 is a wasteful number, since it uses less digits than its factorization.

446256471972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37188039338 (or 37188039336 counting only the distinct ones).

The product of its digits is 20321280, while the sum is 57.

The spelling of 446256471972 in words is "four hundred forty-six billion, two hundred fifty-six million, four hundred seventy-one thousand, nine hundred seventy-two".