2642631126 has 16 divisors (see below), whose sum is σ = 5307379200. Its totient is φ = 877190888.

The previous prime is 2642631083. The next prime is 2642631127. The reversal of 2642631126 is 6211362462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2642631127) by changing a digit.

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, 919986 + ... + 922853.

It is an arithmetic number, because the mean of its divisors is an integer number (331711200).

Almost surely, 2^2642631126 is an apocalyptic number.

2642631126 is an abundant number, since it is smaller than the sum of its proper divisors (2664748074).

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

2642631126 is a wasteful number, since it uses less digits than its factorization.

2642631126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1843083.

The product of its digits is 20736, while the sum is 33.

The square root of 2642631126 is about 51406.5280484882. The cubic root of 2642631126 is about 1382.5436398713.

Adding to 2642631126 its reverse (6211362462), we get a palindrome (8853993588).

The spelling of 2642631126 in words is "two billion, six hundred forty-two million, six hundred thirty-one thousand, one hundred twenty-six".