363728781456 has 20 divisors (see below), whose sum is σ = 939632685552. Its totient is φ = 121242927136.

The previous prime is 363728781439. The next prime is 363728781457. The reversal of 363728781456 is 654187827363.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 363728781456.

It is not an unprimeable number, because it can be changed into a prime (363728781457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3788841426 + ... + 3788841521.

Almost surely, 2^363728781456 is an apocalyptic number.

It is an amenable number.

363728781456 is an abundant number, since it is smaller than the sum of its proper divisors (575903904096).

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

363728781456 is a wasteful number, since it uses less digits than its factorization.

363728781456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7577682958 (or 7577682952 counting only the distinct ones).

The product of its digits is 40642560, while the sum is 60.

The spelling of 363728781456 in words is "three hundred sixty-three billion, seven hundred twenty-eight million, seven hundred eighty-one thousand, four hundred fifty-six".