249225224981472 has 72 divisors (see below), whose sum is σ = 746036035322760. Its totient is φ = 78702702624000.

The previous prime is 249225224981461. The next prime is 249225224981507. The reversal of 249225224981472 is 274189422522942.

249225224981472 is a `hidden beast` number, since 2 + 4 + 9 + 2 + 2 + 52 + 24 + 98 + 1 + 472 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×249225224981472² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22772767279 + ... + 22772778222.

It is an arithmetic number, because the mean of its divisors is an integer number (10361611601705).

Almost surely, 2^{249225224981472} is an apocalyptic number.

It is an amenable number.

249225224981472 is an abundant number, since it is smaller than the sum of its proper divisors (496810810341288).

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

249225224981472 is a wasteful number, since it uses less digits than its factorization.

249225224981472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45545545536 (or 45545545525 counting only the distinct ones).

The product of its digits is 92897280, while the sum is 63.

The spelling of 249225224981472 in words is "two hundred forty-nine trillion, two hundred twenty-five billion, two hundred twenty-four million, nine hundred eighty-one thousand, four hundred seventy-two".