25433233452 has 324 divisors, whose sum is σ = 76244542920. Its totient is φ = 7140587520.

The previous prime is 25433233439. The next prime is 25433233459.

It is a happy number.

25433233452 is a `hidden beast` number, since 2 + 543 + 32 + 3 + 34 + 52 = 666.

25433233452 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (25433233459) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 112040563 + ... + 112040789.

Almost surely, 2^25433233452 is an apocalyptic number.

25433233452 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 25433233452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38122271460).

25433233452 is an abundant number, since it is smaller than the sum of its proper divisors (50811309468).

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

25433233452 is a wasteful number, since it uses less digits than its factorization.

25433233452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382 (or 349 counting only the distinct ones).

The product of its digits is 259200, while the sum is 36.

The spelling of 25433233452 in words is "twenty-five billion, four hundred thirty-three million, two hundred thirty-three thousand, four hundred fifty-two".