2040478827 has 4 divisors (see below), whose sum is σ = 2720638440. Its totient is φ = 1360319216.

The previous prime is 2040478819. The next prime is 2040478927. The reversal of 2040478827 is 7288740402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2040478827 - 2³ = 2040478819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2040478127) 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, 340079802 + ... + 340079807.

It is an arithmetic number, because the mean of its divisors is an integer number (680159610).

Almost surely, 2^2040478827 is an apocalyptic number.

2040478827 is a deficient number, since it is larger than the sum of its proper divisors (680159613).

2040478827 is an equidigital number, since it uses as much as digits as its factorization.

2040478827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680159612.

The product of its (nonzero) digits is 200704, while the sum is 42.

The square root of 2040478827 is about 45171.6595555222. The cubic root of 2040478827 is about 1268.3643620060.

The spelling of 2040478827 in words is "two billion, forty million, four hundred seventy-eight thousand, eight hundred twenty-seven".