447628645790 has 64 divisors (see below), whose sum is σ = 857099880000. Its totient is φ = 167837644800.

The previous prime is 447628645777. The next prime is 447628645823. The reversal of 447628645790 is 97546826744.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32788886 + ... + 32802534.

It is an arithmetic number, because the mean of its divisors is an integer number (13392185625).

Almost surely, 2^447628645790 is an apocalyptic number.

447628645790 is a deficient number, since it is larger than the sum of its proper divisors (409471234210).

447628645790 is a wasteful number, since it uses less digits than its factorization.

447628645790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15485.

The product of its (nonzero) digits is 81285120, while the sum is 62.

The spelling of 447628645790 in words is "four hundred forty-seven billion, six hundred twenty-eight million, six hundred forty-five thousand, seven hundred ninety".