240304131522340 has 24 divisors (see below), whose sum is σ = 520917343172352. Its totient is φ = 93020954137440.

The previous prime is 240304131522293. The next prime is 240304131522347. The reversal of 240304131522340 is 43225131403042.

It is a junction number, because it is equal to n+sod(n) for n = 240304131522296 and 240304131522305.

It is not an unprimeable number, because it can be changed into a prime (240304131522347) 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, 193793653834 + ... + 193793655073.

It is an arithmetic number, because the mean of its divisors is an integer number (21704889298848).

Almost surely, 2^{240304131522340} is an apocalyptic number.

240304131522340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240304131522340 is an abundant number, since it is smaller than the sum of its proper divisors (280613211650012).

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

240304131522340 is a wasteful number, since it uses less digits than its factorization.

240304131522340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387587308947 (or 387587308945 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 240304131522340 its reverse (43225131403042), we get a palindrome (283529262925382).

The spelling of 240304131522340 in words is "two hundred forty trillion, three hundred four billion, one hundred thirty-one million, five hundred twenty-two thousand, three hundred forty".