250026265040 has 20 divisors (see below), whose sum is σ = 581311066404. Its totient is φ = 100010505984.

The previous prime is 250026265019. The next prime is 250026265043. The reversal of 250026265040 is 40562620052.

It can be written as a sum of positive squares in 2 ways, for example, as 157332809104 + 92693455936 = 396652^2 + 304456^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 250026264988 and 250026265006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250026265043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1562664077 + ... + 1562664236.

Almost surely, 2^250026265040 is an apocalyptic number.

250026265040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

250026265040 is an abundant number, since it is smaller than the sum of its proper divisors (331284801364).

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

250026265040 is a wasteful number, since it uses less digits than its factorization.

250026265040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3125328326 (or 3125328320 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 250026265040 its reverse (40562620052), we get a palindrome (290588885092).

The spelling of 250026265040 in words is "two hundred fifty billion, twenty-six million, two hundred sixty-five thousand, forty".