245312405252340 has 96 divisors (see below), whose sum is σ = 705488886036480. Its totient is φ = 63644115557376.

The previous prime is 245312405252339. The next prime is 245312405252351. The reversal of 245312405252340 is 43252504213542.

It is a junction number, because it is equal to n+sod(n) for n = 245312405252292 and 245312405252301.

It is a congruent number.

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, 27490896 + ... + 35304024.

It is an arithmetic number, because the mean of its divisors is an integer number (7348842562880).

Almost surely, 2^{245312405252340} is an apocalyptic number.

245312405252340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245312405252340 is an abundant number, since it is smaller than the sum of its proper divisors (460176480784140).

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

245312405252340 is a wasteful number, since it uses less digits than its factorization.

245312405252340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7827321 (or 7827319 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 42.

Adding to 245312405252340 its reverse (43252504213542), we get a palindrome (288564909465882).

The spelling of 245312405252340 in words is "two hundred forty-five trillion, three hundred twelve billion, four hundred five million, two hundred fifty-two thousand, three hundred forty".