2126231544 has 16 divisors (see below), whose sum is σ = 5315578920. Its totient is φ = 708743840.

The previous prime is 2126231539. The next prime is 2126231551. The reversal of 2126231544 is 4451326212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44296467 + ... + 44296514.

Almost surely, 2^2126231544 is an apocalyptic number.

2126231544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2126231544 is an abundant number, since it is smaller than the sum of its proper divisors (3189347376).

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

2126231544 is a wasteful number, since it uses less digits than its factorization.

2126231544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88592990 (or 88592986 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 2126231544 is about 46111.0783218090. The cubic root of 2126231544 is about 1285.8891117894.

Adding to 2126231544 its reverse (4451326212), we get a palindrome (6577557756).

The spelling of 2126231544 in words is "two billion, one hundred twenty-six million, two hundred thirty-one thousand, five hundred forty-four".