1447497216 has 400 divisors, whose sum is σ = 4990930560. Its totient is φ = 413061120.

The previous prime is 1447497199. The next prime is 1447497221. The reversal of 1447497216 is 6127947441.

1447497216 is a `hidden beast` number, since 144 + 7 + 497 + 2 + 16 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 8667565 + ... + 8667731.

Almost surely, 2^1447497216 is an apocalyptic number.

1447497216 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 1447497216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2495465280).

1447497216 is an abundant number, since it is smaller than the sum of its proper divisors (3543433344).

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

1447497216 is a wasteful number, since it uses less digits than its factorization.

1447497216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227 (or 202 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 1447497216 is about 38045.9881722107. The cubic root of 1447497216 is about 1131.1996073479.

The spelling of 1447497216 in words is "one billion, four hundred forty-seven million, four hundred ninety-seven thousand, two hundred sixteen".