2447042140 has 24 divisors (see below), whose sum is σ = 5189671872. Its totient is φ = 969124800.

The previous prime is 2447042131. The next prime is 2447042153. The reversal of 2447042140 is 412407442.

It is a junction number, because it is equal to n+sod(n) for n = 2447042099 and 2447042108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 603684 + ... + 607723.

It is an arithmetic number, because the mean of its divisors is an integer number (216236328).

Almost surely, 2^2447042140 is an apocalyptic number.

2447042140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2447042140 is an abundant number, since it is smaller than the sum of its proper divisors (2742629732).

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

2447042140 is a wasteful number, since it uses less digits than its factorization.

2447042140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211517 (or 1211515 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 28.

The square root of 2447042140 is about 49467.5867614340. The cubic root of 2447042140 is about 1347.5570157262.

Adding to 2447042140 its reverse (412407442), we get a palindrome (2859449582).

The spelling of 2447042140 in words is "two billion, four hundred forty-seven million, forty-two thousand, one hundred forty".