3442449787456 has 21 divisors (see below), whose sum is σ = 6831140751331. Its totient is φ = 1721217472192.

The previous prime is 3442449787433. The next prime is 3442449787463. The reversal of 3442449787456 is 6547879442443.

It is a happy number.

The square root of 3442449787456 is 1855384.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3442449787391 and 3442449787400.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 14727111 + ... + 14959033.

Almost surely, 2^{3442449787456} is an apocalyptic number.

3442449787456 is the 1855384-th square number.

It is an amenable number.

3442449787456 is a deficient number, since it is larger than the sum of its proper divisors (3388690963875).

3442449787456 is an frugal number, since it uses more digits than its factorization.

3442449787456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463858 (or 231925 counting only the distinct ones).

The product of its digits is 650280960, while the sum is 67.

The spelling of 3442449787456 in words is "three trillion, four hundred forty-two billion, four hundred forty-nine million, seven hundred eighty-seven thousand, four hundred fifty-six".