250243134425340 has 384 divisors, whose sum is σ = 809701643520000. Its totient is φ = 56564741836800.

The previous prime is 250243134425309. The next prime is 250243134425387. The reversal of 250243134425340 is 43524431342052.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 250243134425292 and 250243134425301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 25152586686 + ... + 25152596634.

It is an arithmetic number, because the mean of its divisors is an integer number (2108598030000).

Almost surely, 2^{250243134425340} is an apocalyptic number.

250243134425340 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 250243134425340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (404850821760000).

250243134425340 is an abundant number, since it is smaller than the sum of its proper divisors (559458509094660).

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

250243134425340 is a wasteful number, since it uses less digits than its factorization.

250243134425340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11845 (or 11843 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 42.

Adding to 250243134425340 its reverse (43524431342052), we get a palindrome (293767565767392).

The spelling of 250243134425340 in words is "two hundred fifty trillion, two hundred forty-three billion, one hundred thirty-four million, four hundred twenty-five thousand, three hundred forty".