250401004144 has 160 divisors (see below), whose sum is σ = 538818013440. Its totient is φ = 112251949056.

The previous prime is 250401004121. The next prime is 250401004153. The reversal of 250401004144 is 441400104052.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70593379 + ... + 70596925.

It is an arithmetic number, because the mean of its divisors is an integer number (3367612584).

Almost surely, 2^250401004144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 250401004144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269409006720).

250401004144 is an abundant number, since it is smaller than the sum of its proper divisors (288417009296).

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

250401004144 is a wasteful number, since it uses less digits than its factorization.

250401004144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3767 (or 3761 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 250401004144 its reverse (441400104052), we get a palindrome (691801108196).

The spelling of 250401004144 in words is "two hundred fifty billion, four hundred one million, four thousand, one hundred forty-four".