245635431340 has 96 divisors (see below), whose sum is σ = 599289788160. Its totient is φ = 83750424576.

The previous prime is 245635431319. The next prime is 245635431341. The reversal of 245635431340 is 43134536542.

It is a junction number, because it is equal to n+sod(n) for n = 245635431293 and 245635431302.

It is not an unprimeable number, because it can be changed into a prime (245635431341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 290020 + ... + 758539.

It is an arithmetic number, because the mean of its divisors is an integer number (6242601960).

Almost surely, 2^245635431340 is an apocalyptic number.

245635431340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245635431340 is an abundant number, since it is smaller than the sum of its proper divisors (353654356820).

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

245635431340 is a wasteful number, since it uses less digits than its factorization.

245635431340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048651 (or 1048649 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 40.

Adding to 245635431340 its reverse (43134536542), we get a palindrome (288769967882).

The spelling of 245635431340 in words is "two hundred forty-five billion, six hundred thirty-five million, four hundred thirty-one thousand, three hundred forty".