1447325880 has 256 divisors, whose sum is σ = 5830272000. Its totient is φ = 277585920.

The previous prime is 1447325857. The next prime is 1447325897. The reversal of 1447325880 is 885237441.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 63 ways as a sum of consecutive naturals, for example, 114096 + ... + 126144.

It is an arithmetic number, because the mean of its divisors is an integer number (22774500).

Almost surely, 2^1447325880 is an apocalyptic number.

1447325880 is a gapful number since it is divisible by the number (10) 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 1447325880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2915136000).

1447325880 is an abundant number, since it is smaller than the sum of its proper divisors (4382946120).

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

1447325880 is a wasteful number, since it uses less digits than its factorization.

1447325880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12094 (or 12090 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 42.

The square root of 1447325880 is about 38043.7364095589. The cubic root of 1447325880 is about 1131.1549733269.

The spelling of 1447325880 in words is "one billion, four hundred forty-seven million, three hundred twenty-five thousand, eight hundred eighty".