1447160640 has 112 divisors (see below), whose sum is σ = 4603943040. Its totient is φ = 385136640.

The previous prime is 1447160599. The next prime is 1447160653. The reversal of 1447160640 is 460617441.

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 15 ways as a sum of consecutive naturals, for example, 604566 + ... + 606954.

Almost surely, 2^1447160640 is an apocalyptic number.

1447160640 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 1447160640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2301971520).

1447160640 is an abundant number, since it is smaller than the sum of its proper divisors (3156782400).

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

1447160640 is a wasteful number, since it uses less digits than its factorization.

1447160640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3040 (or 3030 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 1447160640 is about 38041.5646365919. The cubic root of 1447160640 is about 1131.1119240123. Note that the first 3 decimals are identical.

The spelling of 1447160640 in words is "one billion, four hundred forty-seven million, one hundred sixty thousand, six hundred forty".