2311440053540 has 48 divisors (see below), whose sum is σ = 5196100795200. Its totient is φ = 861068115072.

The previous prime is 2311440053519. The next prime is 2311440053543. The reversal of 2311440053540 is 453500441132.

It is a super-2 number, since 2×2311440053540² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2311440053497 and 2311440053506.

It is not an unprimeable number, because it can be changed into a prime (2311440053543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51526199 + ... + 51571038.

It is an arithmetic number, because the mean of its divisors is an integer number (108252099900).

Almost surely, 2^{2311440053540} is an apocalyptic number.

2311440053540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2311440053540 is an abundant number, since it is smaller than the sum of its proper divisors (2884660741660).

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

2311440053540 is a wasteful number, since it uses less digits than its factorization.

2311440053540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103097324 (or 103097322 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 2311440053540 its reverse (453500441132), we get a palindrome (2764940494672).

The spelling of 2311440053540 in words is "two trillion, three hundred eleven billion, four hundred forty million, fifty-three thousand, five hundred forty".