2040402177 has 16 divisors (see below), whose sum is σ = 3297620160. Its totient is φ = 1236607200.

The previous prime is 2040402173. The next prime is 2040402223. The reversal of 2040402177 is 7712040402.

It is a happy number.

It is not a de Polignac number, because 2040402177 - 2² = 2040402173 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 2040402177.

It is not an unprimeable number, because it can be changed into a prime (2040402173) by changing a digit.

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, 3434724 + ... + 3435317.

It is an arithmetic number, because the mean of its divisors is an integer number (206101260).

Almost surely, 2^2040402177 is an apocalyptic number.

2040402177 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2040402177 is a deficient number, since it is larger than the sum of its proper divisors (1257217983).

2040402177 is a wasteful number, since it uses less digits than its factorization.

2040402177 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6870061 (or 6870055 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 2040402177 is about 45170.8111173576. The cubic root of 2040402177 is about 1268.3484798930.

Adding to 2040402177 its reverse (7712040402), we get a palindrome (9752442579).

The spelling of 2040402177 in words is "two billion, forty million, four hundred two thousand, one hundred seventy-seven".