25454422445452 has 96 divisors (see below), whose sum is σ = 59823971311104. Its totient is φ = 9152144985600.

The previous prime is 25454422445447. The next prime is 25454422445483.

25454422445452 is nontrivially palindromic in base 10.

It is a super-3 number, since 3×25454422445452³ (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a self number, because there is not a number n which added to its sum of digits gives 25454422445452.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15233952 + ... + 16822072.

It is an arithmetic number, because the mean of its divisors is an integer number (623166367824).

Almost surely, 2^{25454422445452} is an apocalyptic number.

25454422445452 is a gapful number since it is divisible by the number (22) 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 25454422445452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29911985655552).

25454422445452 is an abundant number, since it is smaller than the sum of its proper divisors (34369548865652).

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

25454422445452 is a wasteful number, since it uses less digits than its factorization.

25454422445452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1592159 (or 1592157 counting only the distinct ones).

The product of its digits is 40960000, while the sum is 52.

The spelling of 25454422445452 in words is "twenty-five trillion, four hundred fifty-four billion, four hundred twenty-two million, four hundred forty-five thousand, four hundred fifty-two".