250243134544140 has 24 divisors (see below), whose sum is σ = 700680776723760. Its totient is φ = 66731502545088.

The previous prime is 250243134544127. The next prime is 250243134544147. The reversal of 250243134544140 is 41445431342052.

It is a junction number, because it is equal to n+sod(n) for n = 250243134544092 and 250243134544101.

It is not an unprimeable number, because it can be changed into a prime (250243134544147) 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 7 ways as a sum of consecutive naturals, for example, 2085359454475 + ... + 2085359454594.

It is an arithmetic number, because the mean of its divisors is an integer number (29195032363490).

Almost surely, 2^{250243134544140} is an apocalyptic number.

250243134544140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

250243134544140 is an abundant number, since it is smaller than the sum of its proper divisors (450437642179620).

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

250243134544140 is a wasteful number, since it uses less digits than its factorization.

250243134544140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4170718909081 (or 4170718909079 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 42.

Adding to 250243134544140 its reverse (41445431342052), we get a palindrome (291688565886192).

The spelling of 250243134544140 in words is "two hundred fifty trillion, two hundred forty-three billion, one hundred thirty-four million, five hundred forty-four thousand, one hundred forty".