245584940 has 12 divisors (see below), whose sum is σ = 515728416. Its totient is φ = 98233968.

The previous prime is 245584939. The next prime is 245584981. The reversal of 245584940 is 49485542.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6139604 + ... + 6139643.

It is an arithmetic number, because the mean of its divisors is an integer number (42977368).

Almost surely, 2^245584940 is an apocalyptic number.

245584940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245584940 is an abundant number, since it is smaller than the sum of its proper divisors (270143476).

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

245584940 is a wasteful number, since it uses less digits than its factorization.

245584940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12279256 (or 12279254 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 41.

The square root of 245584940 is about 15671.1499258989. The cubic root of 245584940 is about 626.2300596703.

The spelling of 245584940 in words is "two hundred forty-five million, five hundred eighty-four thousand, nine hundred forty".