250552213340 has 192 divisors, whose sum is σ = 622771535232. Its totient is φ = 83474841600.

The previous prime is 250552213277. The next prime is 250552213369. The reversal of 250552213340 is 43312255052.

It is a junction number, because it is equal to n+sod(n) for n = 250552213297 and 250552213306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 408730874 + ... + 408731486.

It is an arithmetic number, because the mean of its divisors is an integer number (3243601746).

Almost surely, 2^250552213340 is an apocalyptic number.

250552213340 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 250552213340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (311385767616).

250552213340 is an abundant number, since it is smaller than the sum of its proper divisors (372219321892).

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

250552213340 is a wasteful number, since it uses less digits than its factorization.

250552213340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1480 (or 1478 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 250552213340 its reverse (43312255052), we get a palindrome (293864468392).

The spelling of 250552213340 in words is "two hundred fifty billion, five hundred fifty-two million, two hundred thirteen thousand, three hundred forty".