2431403040 has 144 divisors (see below), whose sum is σ = 8418682944. Its totient is φ = 589416960.

The previous prime is 2431403021. The next prime is 2431403081. The reversal of 2431403040 is 403041342.

It is a junction number, because it is equal to n+sod(n) for n = 2431402998 and 2431403016.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37149 + ... + 79011.

It is an arithmetic number, because the mean of its divisors is an integer number (58463076).

Almost surely, 2^2431403040 is an apocalyptic number.

2431403040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2431403040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4209341472).

2431403040 is an abundant number, since it is smaller than the sum of its proper divisors (5987279904).

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

2431403040 is a wasteful number, since it uses less digits than its factorization.

2431403040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41903 (or 41884 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 2431403040 is about 49309.2591710725. The cubic root of 2431403040 is about 1344.6801227486.

Adding to 2431403040 its reverse (403041342), we get a palindrome (2834444382).

The spelling of 2431403040 in words is "two billion, four hundred thirty-one million, four hundred three thousand, forty".