2431542040 has 32 divisors (see below), whose sum is σ = 5647455360. Its totient is φ = 941241600.

The previous prime is 2431542017. The next prime is 2431542049. The reversal of 2431542040 is 402451342.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2431541996 and 2431542014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2431542049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 979221 + ... + 981700.

It is an arithmetic number, because the mean of its divisors is an integer number (176482980).

Almost surely, 2^2431542040 is an apocalyptic number.

2431542040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2431542040 is an abundant number, since it is smaller than the sum of its proper divisors (3215913320).

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

2431542040 is a wasteful number, since it uses less digits than its factorization.

2431542040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1960963 (or 1960959 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 2431542040 is about 49310.6686225202. The cubic root of 2431542040 is about 1344.7057467706.

Adding to 2431542040 its reverse (402451342), we get a palindrome (2833993382).

The spelling of 2431542040 in words is "two billion, four hundred thirty-one million, five hundred forty-two thousand, forty".