245342315402550 has 72 divisors (see below), whose sum is σ = 668436866164080. Its totient is φ = 64503143947200.

The previous prime is 245342315402533. The next prime is 245342315402633. The reversal of 245342315402550 is 55204513243542.

245342315402550 is a `hidden beast` number, since 2 + 4 + 5 + 3 + 4 + 2 + 31 + 540 + 25 + 50 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 245342315402496 and 245342315402505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3839440905 + ... + 3839504804.

It is an arithmetic number, because the mean of its divisors is an integer number (9283845363390).

Almost surely, 2^{245342315402550} is an apocalyptic number.

245342315402550 is an abundant number, since it is smaller than the sum of its proper divisors (423094550761530).

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

245342315402550 is a wasteful number, since it uses less digits than its factorization.

245342315402550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7678945798 (or 7678945790 counting only the distinct ones).

The product of its (nonzero) digits is 2880000, while the sum is 45.

The spelling of 245342315402550 in words is "two hundred forty-five trillion, three hundred forty-two billion, three hundred fifteen million, four hundred two thousand, five hundred fifty".