245266540 has 48 divisors (see below), whose sum is σ = 526176000. Its totient is φ = 96005312.

The previous prime is 245266519. The next prime is 245266559. The reversal of 245266540 is 45662542.

It is a junction number, because it is equal to n+sod(n) for n = 245266496 and 245266505.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 409161 + ... + 409759.

It is an arithmetic number, because the mean of its divisors is an integer number (10962000).

Almost surely, 2^245266540 is an apocalyptic number.

245266540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245266540 is an abundant number, since it is smaller than the sum of its proper divisors (280909460).

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

245266540 is a wasteful number, since it uses less digits than its factorization.

245266540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014 (or 1012 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

The square root of 245266540 is about 15660.9878360211. The cubic root of 245266540 is about 625.9593076129.

The spelling of 245266540 in words is "two hundred forty-five million, two hundred sixty-six thousand, five hundred forty".