25474744747452 has 1152 divisors, whose sum is σ = 84801018451968. Its totient is φ = 5846025830400.

The previous prime is 25474744747433. The next prime is 25474744747471.

25474744747452 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (25474744747433) and next prime (25474744747471).

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

It is a congruent number.

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 383 ways as a sum of consecutive naturals, for example, 81912362377 + ... + 81912362687.

It is an arithmetic number, because the mean of its divisors is an integer number (73611995184).

Almost surely, 2^{25474744747452} is an apocalyptic number.

25474744747452 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 25474744747452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42400509225984).

25474744747452 is an abundant number, since it is smaller than the sum of its proper divisors (59326273704516).

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

25474744747452 is a wasteful number, since it uses less digits than its factorization.

25474744747452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739 (or 730 counting only the distinct ones).

The product of its digits is 983449600, while the sum is 66.

The spelling of 25474744747452 in words is "twenty-five trillion, four hundred seventy-four billion, seven hundred forty-four million, seven hundred forty-seven thousand, four hundred fifty-two".