245263040 has 56 divisors (see below), whose sum is σ = 637135632. Its totient is φ = 89185280.

The previous prime is 245263019. The next prime is 245263069. The reversal of 245263040 is 40362542.

245263040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31319 + ... + 38358.

It is an arithmetic number, because the mean of its divisors is an integer number (11377422).

Almost surely, 2^245263040 is an apocalyptic number.

245263040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245263040 is an abundant number, since it is smaller than the sum of its proper divisors (391872592).

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

245263040 is a wasteful number, since it uses less digits than its factorization.

245263040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69705 (or 69695 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 245263040 is about 15660.8760929905. The cubic root of 245263040 is about 625.9563300794.

The spelling of 245263040 in words is "two hundred forty-five million, two hundred sixty-three thousand, forty".