245345350244040 has 96 divisors (see below), whose sum is σ = 844276646449080. Its totient is φ = 61576872216576.

The previous prime is 245345350243999. The next prime is 245345350244051. The reversal of 245345350244040 is 40442053543542.

245345350244040 is a `hidden beast` number, since 2 + 4 + 5 + 34 + 535 + 0 + 2 + 4 + 40 + 40 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 195256410602724 + 50088939641316 = 13973418^2 + 7077354^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20044548639 + ... + 20044560878.

Almost surely, 2^{245345350244040} is an apocalyptic number.

245345350244040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245345350244040 is an abundant number, since it is smaller than the sum of its proper divisors (598931296205040).

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

245345350244040 is a wasteful number, since it uses less digits than its factorization.

245345350244040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40089109551 (or 40089109544 counting only the distinct ones).

The product of its (nonzero) digits is 4608000, while the sum is 45.

The spelling of 245345350244040 in words is "two hundred forty-five trillion, three hundred forty-five billion, three hundred fifty million, two hundred forty-four thousand, forty".