1447034640 has 80 divisors (see below), whose sum is σ = 4529436288. Its totient is φ = 382123008.

The previous prime is 1447034629. The next prime is 1447034653. The reversal of 1447034640 is 464307441.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4549 + ... + 53988.

Almost surely, 2^1447034640 is an apocalyptic number.

1447034640 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 1447034640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2264718144).

1447034640 is an abundant number, since it is smaller than the sum of its proper divisors (3082401648).

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

1447034640 is a wasteful number, since it uses less digits than its factorization.

1447034640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58656 (or 58650 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 33.

The square root of 1447034640 is about 38039.9085172402. The cubic root of 1447034640 is about 1131.0790955354.

The spelling of 1447034640 in words is "one billion, four hundred forty-seven million, thirty-four thousand, six hundred forty".