3442449787455 has 96 divisors (see below), whose sum is σ = 6480950616000. Its totient is φ = 1555580049408.

The previous prime is 3442449787433. The next prime is 3442449787463. The reversal of 3442449787455 is 5547879442443.

It is a happy number.

It is a Cunningham number, because it is equal to 1855384²-1.

It is not a de Polignac number, because 3442449787455 - 2¹⁰ = 3442449786431 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 454565049 + ... + 454572621.

It is an arithmetic number, because the mean of its divisors is an integer number (67509902250).

Almost surely, 2^{3442449787455} is an apocalyptic number.

3442449787455 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3442449787455 is a deficient number, since it is larger than the sum of its proper divisors (3038500828545).

3442449787455 is a wasteful number, since it uses less digits than its factorization.

3442449787455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14633 (or 14626 counting only the distinct ones).

The product of its digits is 541900800, while the sum is 66.

The spelling of 3442449787455 in words is "three trillion, four hundred forty-two billion, four hundred forty-nine million, seven hundred eighty-seven thousand, four hundred fifty-five".