25323436050840 has 256 divisors, whose sum is σ = 86434967808000. Its totient is φ = 6591793582080.

The previous prime is 25323436050743. The next prime is 25323436050841. The reversal of 25323436050840 is 4805063432352.

25323436050840 is a `hidden beast` number, since 2 + 5 + 3 + 2 + 3 + 43 + 60 + 508 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25323436050841) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18579880 + ... + 19896200.

It is an arithmetic number, because the mean of its divisors is an integer number (337636593000).

Almost surely, 2^{25323436050840} is an apocalyptic number.

25323436050840 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 25323436050840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43217483904000).

25323436050840 is an abundant number, since it is smaller than the sum of its proper divisors (61111531757160).

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

25323436050840 is a wasteful number, since it uses less digits than its factorization.

25323436050840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1316767 (or 1316757 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 45.

The spelling of 25323436050840 in words is "twenty-five trillion, three hundred twenty-three billion, four hundred thirty-six million, fifty thousand, eight hundred forty".