250254041235138 has 64 divisors (see below), whose sum is σ = 560505533829120. Its totient is φ = 82760212757376.

The previous prime is 250254041235137. The next prime is 250254041235161. The reversal of 250254041235138 is 831532140452052.

It is a happy number.

250254041235138 is a `hidden beast` number, since 2 + 5 + 0 + 2 + 5 + 4 + 0 + 4 + 123 + 513 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 250254041235093 and 250254041235102.

It is not an unprimeable number, because it can be changed into a prime (250254041235137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 814281870 + ... + 814589142.

It is an arithmetic number, because the mean of its divisors is an integer number (8757898966080).

Almost surely, 2^{250254041235138} is an apocalyptic number.

250254041235138 is an abundant number, since it is smaller than the sum of its proper divisors (310251492593982).

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

250254041235138 is a wasteful number, since it uses less digits than its factorization.

250254041235138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426168 (or 426162 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 45.

The spelling of 250254041235138 in words is "two hundred fifty trillion, two hundred fifty-four billion, forty-one million, two hundred thirty-five thousand, one hundred thirty-eight".