2842447440 has 80 divisors (see below), whose sum is σ = 10070391168. Its totient is φ = 649701888.

The previous prime is 2842447409. The next prime is 2842447453. The reversal of 2842447440 is 447442482.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 844287 + ... + 847646.

Almost surely, 2^2842447440 is an apocalyptic number.

2842447440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2842447440 is an abundant number, since it is smaller than the sum of its proper divisors (7227943728).

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

2842447440 is a wasteful number, since it uses less digits than its factorization.

2842447440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1691956 (or 1691950 counting only the distinct ones).

The product of its (nonzero) digits is 229376, while the sum is 39.

The square root of 2842447440 is about 53314.6081294799. The cubic root of 2842447440 is about 1416.5464311951.

The spelling of 2842447440 in words is "two billion, eight hundred forty-two million, four hundred forty-seven thousand, four hundred forty".