2126400024 has 64 divisors (see below), whose sum is σ = 6152371200. Its totient is φ = 599848704.

The previous prime is 2126399983. The next prime is 2126400047. The reversal of 2126400024 is 4200046212.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 66837 + ... + 93380.

It is an arithmetic number, because the mean of its divisors is an integer number (96130800).

Almost surely, 2^2126400024 is an apocalyptic number.

2126400024 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2126400024 is an abundant number, since it is smaller than the sum of its proper divisors (4025971176).

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

2126400024 is a wasteful number, since it uses less digits than its factorization.

2126400024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160312 (or 160308 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2126400024 is about 46112.9051784856. The cubic root of 2126400024 is about 1285.9230749885.

Adding to 2126400024 its reverse (4200046212), we get a palindrome (6326446236).

The spelling of 2126400024 in words is "two billion, one hundred twenty-six million, four hundred thousand, twenty-four".