250552022140 has 192 divisors, whose sum is σ = 644039424000. Its totient is φ = 80026619904.

The previous prime is 250552022069. The next prime is 250552022153. The reversal of 250552022140 is 41220255052.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 250552022099 and 250552022108.

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, 19194336 + ... + 19207384.

It is an arithmetic number, because the mean of its divisors is an integer number (3354372000).

Almost surely, 2^250552022140 is an apocalyptic number.

250552022140 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 250552022140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (322019712000).

250552022140 is an abundant number, since it is smaller than the sum of its proper divisors (393487401860).

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

250552022140 is a wasteful number, since it uses less digits than its factorization.

250552022140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13244 (or 13242 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

Adding to 250552022140 its reverse (41220255052), we get a palindrome (291772277192).

The spelling of 250552022140 in words is "two hundred fifty billion, five hundred fifty-two million, twenty-two thousand, one hundred forty".