245036240 has 40 divisors (see below), whose sum is σ = 572025888. Its totient is φ = 97616000.

The previous prime is 245036221. The next prime is 245036257. The reversal of 245036240 is 42630542.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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, 13979 + ... + 26181.

Almost surely, 2^245036240 is an apocalyptic number.

245036240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245036240 is an abundant number, since it is smaller than the sum of its proper divisors (326989648).

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

245036240 is a wasteful number, since it uses less digits than its factorization.

245036240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12467 (or 12461 counting only the distinct ones).

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

The square root of 245036240 is about 15653.6334440283. The cubic root of 245036240 is about 625.7633254885.

Adding to 245036240 its reverse (42630542), we get a palindrome (287666782).

The spelling of 245036240 in words is "two hundred forty-five million, thirty-six thousand, two hundred forty".