25674455447652 has 144 divisors (see below), whose sum is σ = 69755620628736. Its totient is φ = 7318918886400.

The previous prime is 25674455447617. The next prime is 25674455447681.

25674455447652 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 50671002 + ... + 51175182.

It is an arithmetic number, because the mean of its divisors is an integer number (484414032144).

Almost surely, 2^{25674455447652} is an apocalyptic number.

25674455447652 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 25674455447652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34877810314368).

25674455447652 is an abundant number, since it is smaller than the sum of its proper divisors (44081165181084).

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

25674455447652 is a wasteful number, since it uses less digits than its factorization.

25674455447652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506290 (or 506277 counting only the distinct ones).

The product of its digits is 1128960000, while the sum is 66.

The spelling of 25674455447652 in words is "twenty-five trillion, six hundred seventy-four billion, four hundred fifty-five million, four hundred forty-seven thousand, six hundred fifty-two".