250778601242 has 32 divisors (see below), whose sum is σ = 438908766912. Its totient is φ = 106402109184.

The previous prime is 250778601181. The next prime is 250778601247. The reversal of 250778601242 is 242106877052.

250778601242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 250778601193 and 250778601202.

It is not an unprimeable number, because it can be changed into a prime (250778601247) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6578348 + ... + 6616359.

It is an arithmetic number, because the mean of its divisors is an integer number (13715898966).

Almost surely, 2^250778601242 is an apocalyptic number.

250778601242 is a deficient number, since it is larger than the sum of its proper divisors (188130165670).

250778601242 is a wasteful number, since it uses less digits than its factorization.

250778601242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13194782.

The product of its (nonzero) digits is 376320, while the sum is 44.

The spelling of 250778601242 in words is "two hundred fifty billion, seven hundred seventy-eight million, six hundred one thousand, two hundred forty-two".