245120431068 has 48 divisors (see below), whose sum is σ = 637297788960. Its totient is φ = 81475333632.

The previous prime is 245120431051. The next prime is 245120431069. The reversal of 245120431068 is 860134021542.

It is a happy number.

245120431068 is a `hidden beast` number, since 2 + 45 + 120 + 431 + 0 + 68 = 666.

245120431068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245120431069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3176655 + ... + 3252902.

It is an arithmetic number, because the mean of its divisors is an integer number (13277037270).

Almost surely, 2^245120431068 is an apocalyptic number.

It is an amenable number.

245120431068 is an abundant number, since it is smaller than the sum of its proper divisors (392177357892).

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

245120431068 is a wasteful number, since it uses less digits than its factorization.

245120431068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6429923 (or 6429915 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The spelling of 245120431068 in words is "two hundred forty-five billion, one hundred twenty million, four hundred thirty-one thousand, sixty-eight".