444406340136452 has 48 divisors (see below), whose sum is σ = 806032956368640. Its totient is φ = 214245244781568.

The previous prime is 444406340136427. The next prime is 444406340136511. The reversal of 444406340136452 is 254631043604444.

It is a self number, because there is not a number n which added to its sum of digits gives 444406340136452.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64284788 + ... + 70861460.

It is an arithmetic number, because the mean of its divisors is an integer number (16792353257680).

Almost surely, 2^{444406340136452} is an apocalyptic number.

It is an amenable number.

444406340136452 is a deficient number, since it is larger than the sum of its proper divisors (361626616232188).

444406340136452 is a wasteful number, since it uses less digits than its factorization.

444406340136452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6581772 (or 6581770 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 50.

The spelling of 444406340136452 in words is "four hundred forty-four trillion, four hundred six billion, three hundred forty million, one hundred thirty-six thousand, four hundred fifty-two".