1447444040 has 32 divisors (see below), whose sum is σ = 3721999680. Its totient is φ = 496266432.

The previous prime is 1447444003. The next prime is 1447444049. The reversal of 1447444040 is 404447441.

It is a junction number, because it is equal to n+sod(n) for n = 1447443988 and 1447444006.

It is not an unprimeable number, because it can be changed into a prime (1447444049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2584442 + ... + 2585001.

It is an arithmetic number, because the mean of its divisors is an integer number (116312490).

Almost surely, 2^1447444040 is an apocalyptic number.

1447444040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1447444040 is an abundant number, since it is smaller than the sum of its proper divisors (2274555640).

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

1447444040 is a wasteful number, since it uses less digits than its factorization.

1447444040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5169461 (or 5169457 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 32.

The square root of 1447444040 is about 38045.2893273267. The cubic root of 1447444040 is about 1131.1857550687.

The spelling of 1447444040 in words is "one billion, four hundred forty-seven million, four hundred forty-four thousand, forty".