249388000050 has 48 divisors (see below), whose sum is σ = 706836848832. Its totient is φ = 57002971200.

The previous prime is 249387999997. The next prime is 249388000051. The reversal of 249388000050 is 50000883942.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 249387999972 and 249388000008.

It is not an unprimeable number, because it can be changed into a prime (249388000051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 118755141 + ... + 118757240.

It is an arithmetic number, because the mean of its divisors is an integer number (14725767684).

Almost surely, 2^249388000050 is an apocalyptic number.

249388000050 is an abundant number, since it is smaller than the sum of its proper divisors (457448848782).

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

249388000050 is a wasteful number, since it uses less digits than its factorization.

249388000050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237512403 (or 237512398 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

Adding to 249388000050 its reverse (50000883942), we get a palindrome (299388883992).

The spelling of 249388000050 in words is "two hundred forty-nine billion, three hundred eighty-eight million, fifty", and thus it is an aban number.