2431044243240 has 128 divisors (see below), whose sum is σ = 7560708480000. Its totient is φ = 624673474560.

The previous prime is 2431044243223. The next prime is 2431044243253. The reversal of 2431044243240 is 423424401342.

It is a super-2 number, since 2×2431044243240² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 535615 + ... + 2269134.

It is an arithmetic number, because the mean of its divisors is an integer number (59068035000).

Almost surely, 2^{2431044243240} is an apocalyptic number.

2431044243240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2431044243240 is an abundant number, since it is smaller than the sum of its proper divisors (5129664236760).

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

2431044243240 is a wasteful number, since it uses less digits than its factorization.

2431044243240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2805027 (or 2805023 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 2431044243240 its reverse (423424401342), we get a palindrome (2854468644582).

The spelling of 2431044243240 in words is "two trillion, four hundred thirty-one billion, forty-four million, two hundred forty-three thousand, two hundred forty".