245202040 has 32 divisors (see below), whose sum is σ = 556776000. Its totient is φ = 97179264.

The previous prime is 245202037. The next prime is 245202059. The reversal of 245202040 is 40202542.

It is a junction number, because it is equal to n+sod(n) for n = 245201999 and 245202017.

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, 23760 + ... + 32479.

It is an arithmetic number, because the mean of its divisors is an integer number (17399250).

Almost surely, 2^245202040 is an apocalyptic number.

245202040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245202040 is an abundant number, since it is smaller than the sum of its proper divisors (311573960).

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

245202040 is a wasteful number, since it uses less digits than its factorization.

245202040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56359 (or 56355 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 245202040 is about 15658.9284435430. The cubic root of 245202040 is about 625.9044313749.

Adding to 245202040 its reverse (40202542), we get a palindrome (285404582).

The spelling of 245202040 in words is "two hundred forty-five million, two hundred two thousand, forty".