249990750050 has 24 divisors (see below), whose sum is σ = 469328438736. Its totient is φ = 99061753040.

The previous prime is 249990750007. The next prime is 249990750071. The reversal of 249990750050 is 50057099942.

It is a happy number.

249990750050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×249990750050² (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a Curzon 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, 23358272 + ... + 23368971.

It is an arithmetic number, because the mean of its divisors is an integer number (19555351614).

Almost surely, 2^249990750050 is an apocalyptic number.

249990750050 is a deficient number, since it is larger than the sum of its proper divisors (219337688686).

249990750050 is a wasteful number, since it uses less digits than its factorization.

249990750050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46727362 (or 46727357 counting only the distinct ones).

The product of its (nonzero) digits is 1020600, while the sum is 50.

The spelling of 249990750050 in words is "two hundred forty-nine billion, nine hundred ninety million, seven hundred fifty thousand, fifty".