2531444424020 has 96 divisors (see below), whose sum is σ = 5575146651648. Its totient is φ = 964676224512.

The previous prime is 2531444424013. The next prime is 2531444424029. The reversal of 2531444424020 is 204244441352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2531444424029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6127094 + ... + 6527186.

It is an arithmetic number, because the mean of its divisors is an integer number (58074444288).

Almost surely, 2^{2531444424020} is an apocalyptic number.

2531444424020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2531444424020 is an abundant number, since it is smaller than the sum of its proper divisors (3043702227628).

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

2531444424020 is a wasteful number, since it uses less digits than its factorization.

2531444424020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400329 (or 400327 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 35.

Adding to 2531444424020 its reverse (204244441352), we get a palindrome (2735688865372).

The spelling of 2531444424020 in words is "two trillion, five hundred thirty-one billion, four hundred forty-four million, four hundred twenty-four thousand, twenty".