250001005012432 has 80 divisors (see below), whose sum is σ = 508599995552640. Its totient is φ = 118819696697856.

The previous prime is 250001005012393. The next prime is 250001005012433. The reversal of 250001005012432 is 234210500100052.

It is a junction number, because it is equal to n+sod(n) for n = 250001005012397 and 250001005012406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250001005012433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35398218 + ... + 41869270.

It is an arithmetic number, because the mean of its divisors is an integer number (6357499944408).

Almost surely, 2^{250001005012432} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 250001005012432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254299997776320).

250001005012432 is an abundant number, since it is smaller than the sum of its proper divisors (258598990540208).

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

250001005012432 is a wasteful number, since it uses less digits than its factorization.

250001005012432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6471740 (or 6471734 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 250001005012432 its reverse (234210500100052), we get a palindrome (484211505112484).

The spelling of 250001005012432 in words is "two hundred fifty trillion, one billion, five million, twelve thousand, four hundred thirty-two".