2047841440 has 24 divisors (see below), whose sum is σ = 4838025780. Its totient is φ = 819136512.

The previous prime is 2047841429. The next prime is 2047841441. The reversal of 2047841440 is 441487402.

It can be written as a sum of positive squares in 2 ways, for example, as 1910389264 + 137452176 = 43708^2 + 11724^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2047841396 and 2047841405.

It is not an unprimeable number, because it can be changed into a prime (2047841441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6399345 + ... + 6399664.

Almost surely, 2^2047841440 is an apocalyptic number.

2047841440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2047841440 is an abundant number, since it is smaller than the sum of its proper divisors (2790184340).

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

2047841440 is a wasteful number, since it uses less digits than its factorization.

2047841440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12799024 (or 12799016 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 34.

The square root of 2047841440 is about 45253.0821049793. The cubic root of 2047841440 is about 1269.8880675112. Note that the first 3 decimals are identical.

The spelling of 2047841440 in words is "two billion, forty-seven million, eight hundred forty-one thousand, four hundred forty".