250025410041240 has 128 divisors (see below), whose sum is σ = 752748850080000. Its totient is φ = 66435890357760.

The previous prime is 250025410041221. The next prime is 250025410041257. The reversal of 250025410041240 is 42140014520052.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 250025410041198 and 250025410041207.

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, 1430681386 + ... + 1430856134.

It is an arithmetic number, because the mean of its divisors is an integer number (5880850391250).

Almost surely, 2^{250025410041240} is an apocalyptic number.

250025410041240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 250025410041240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (376374425040000).

250025410041240 is an abundant number, since it is smaller than the sum of its proper divisors (502723440038760).

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

250025410041240 is a wasteful number, since it uses less digits than its factorization.

250025410041240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217177 (or 217173 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 250025410041240 its reverse (42140014520052), we get a palindrome (292165424561292).

The spelling of 250025410041240 in words is "two hundred fifty trillion, twenty-five billion, four hundred ten million, forty-one thousand, two hundred forty".