250426121000 has 64 divisors (see below), whose sum is σ = 639269616960. Its totient is φ = 91064040000.

The previous prime is 250426120999. The next prime is 250426121009. The reversal of 250426121000 is 121624052.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (250426121009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11372006 + ... + 11394005.

It is an arithmetic number, because the mean of its divisors is an integer number (9988587765).

Almost surely, 2^250426121000 is an apocalyptic number.

250426121000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

250426121000 is an abundant number, since it is smaller than the sum of its proper divisors (388843495960).

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

250426121000 is a wasteful number, since it uses less digits than its factorization.

250426121000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22766043 (or 22766029 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 250426121000 its reverse (121624052), we get a palindrome (250547745052).

The spelling of 250426121000 in words is "two hundred fifty billion, four hundred twenty-six million, one hundred twenty-one thousand".