2040126164 has 6 divisors (see below), whose sum is σ = 3570220794. Its totient is φ = 1020063080.

The previous prime is 2040126161. The next prime is 2040126181. The reversal of 2040126164 is 4616210402.

It can be written as a sum of positive squares in only one way, i.e., 1657141264 + 382984900 = 40708^2 + 19570^2 .

It is a super-2 number, since 2×2040126164² = 8324229530074709792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040126161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255015767 + ... + 255015774.

It is an arithmetic number, because the mean of its divisors is an integer number (595036799).

Almost surely, 2^2040126164 is an apocalyptic number.

It is an amenable number.

2040126164 is a deficient number, since it is larger than the sum of its proper divisors (1530094630).

2040126164 is a wasteful number, since it uses less digits than its factorization.

2040126164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510031545 (or 510031543 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 2040126164 is about 45167.7557999066. The cubic root of 2040126164 is about 1268.2912858654.

Adding to 2040126164 its reverse (4616210402), we get a palindrome (6656336566).

The spelling of 2040126164 in words is "two billion, forty million, one hundred twenty-six thousand, one hundred sixty-four".