245022255040420 has 96 divisors (see below), whose sum is σ = 605094534809856. Its totient is φ = 82164677875200.

The previous prime is 245022255040309. The next prime is 245022255040429. The reversal of 245022255040420 is 24040552220542.

It is a self number, because there is not a number n which added to its sum of digits gives 245022255040420.

It is not an unprimeable number, because it can be changed into a prime (245022255040429) 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, 39034944 + ... + 44875063.

It is an arithmetic number, because the mean of its divisors is an integer number (6303068070936).

Almost surely, 2^{245022255040420} is an apocalyptic number.

245022255040420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245022255040420 is an abundant number, since it is smaller than the sum of its proper divisors (360072279769436).

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

245022255040420 is a wasteful number, since it uses less digits than its factorization.

245022255040420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83911061 (or 83911059 counting only the distinct ones).

The product of its (nonzero) digits is 256000, while the sum is 37.

The spelling of 245022255040420 in words is "two hundred forty-five trillion, twenty-two billion, two hundred fifty-five million, forty thousand, four hundred twenty".