2543140032 has 112 divisors (see below), whose sum is σ = 6829909632. Its totient is φ = 835072000.

The previous prime is 2543140031. The next prime is 2543140043. The reversal of 2543140032 is 2300413452.

It is a super-2 number, since 2×2543140032² = 12935122444721922048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 2543139984 and 2543140011.

It is not an unprimeable number, because it can be changed into a prime (2543140031) 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, 5445463 + ... + 5445929.

It is an arithmetic number, because the mean of its divisors is an integer number (60981336).

Almost surely, 2^2543140032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2543140032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3414954816).

2543140032 is an abundant number, since it is smaller than the sum of its proper divisors (4286769600).

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

2543140032 is a wasteful number, since it uses less digits than its factorization.

2543140032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846 (or 836 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 2543140032 is about 50429.5551437845. Note that the first 3 decimals coincide. The cubic root of 2543140032 is about 1364.9710007391.

Adding to 2543140032 its reverse (2300413452), we get a palindrome (4843553484).

The spelling of 2543140032 in words is "two billion, five hundred forty-three million, one hundred forty thousand, thirty-two".