1447455616 has 64 divisors (see below), whose sum is σ = 3118409280. Its totient is φ = 666615808.

The previous prime is 1447455593. The next prime is 1447455623. The reversal of 1447455616 is 6165547441.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95196 + ... + 109348.

It is an arithmetic number, because the mean of its divisors is an integer number (48725145).

Almost surely, 2^1447455616 is an apocalyptic number.

1447455616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1447455616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1559204640).

1447455616 is an abundant number, since it is smaller than the sum of its proper divisors (1670953664).

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

1447455616 is a wasteful number, since it uses less digits than its factorization.

1447455616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14231 (or 14219 counting only the distinct ones).

The product of its digits is 403200, while the sum is 43.

The square root of 1447455616 is about 38045.4414614944. The cubic root of 1447455616 is about 1131.1887706306.

The spelling of 1447455616 in words is "one billion, four hundred forty-seven million, four hundred fifty-five thousand, six hundred sixteen".