250225412340 has 96 divisors (see below), whose sum is σ = 718420018176. Its totient is φ = 65051965440.

The previous prime is 250225412323. The next prime is 250225412341. The reversal of 250225412340 is 43214522052.

It is a super-2 number, since 2×250225412340² (a number of 24 digits) contains 22 as substring.

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 = 250225412298 and 250225412307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250225412341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111069 + ... + 716091.

It is an arithmetic number, because the mean of its divisors is an integer number (7483541856).

Almost surely, 2^250225412340 is an apocalyptic number.

250225412340 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 250225412340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (359210009088).

250225412340 is an abundant number, since it is smaller than the sum of its proper divisors (468194605836).

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

250225412340 is a wasteful number, since it uses less digits than its factorization.

250225412340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605209 (or 605207 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 250225412340 its reverse (43214522052), we get a palindrome (293439934392).

The spelling of 250225412340 in words is "two hundred fifty billion, two hundred twenty-five million, four hundred twelve thousand, three hundred forty".