245387155040 has 48 divisors (see below), whose sum is σ = 580317278688. Its totient is φ = 98054946816.

The previous prime is 245387155031. The next prime is 245387155051. The reversal of 245387155040 is 40551783542.

It is a junction number, because it is equal to n+sod(n) for n = 245387154982 and 245387155000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 622817 + ... + 937376.

It is an arithmetic number, because the mean of its divisors is an integer number (12089943306).

Almost surely, 2^245387155040 is an apocalyptic number.

245387155040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245387155040 is an abundant number, since it is smaller than the sum of its proper divisors (334930123648).

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

245387155040 is a wasteful number, since it uses less digits than its factorization.

245387155040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561191 (or 1561183 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 44.

The spelling of 245387155040 in words is "two hundred forty-five billion, three hundred eighty-seven million, one hundred fifty-five thousand, forty".