25133434002 has 64 divisors (see below), whose sum is σ = 57910032000. Its totient is φ = 8070439104.

The previous prime is 25133433989. The next prime is 25133434057. The reversal of 25133434002 is 20043433152.

25133434002 is a `hidden beast` number, since 251 + 3 + 3 + 4 + 3 + 400 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 675624 + ... + 711852.

It is an arithmetic number, because the mean of its divisors is an integer number (904844250).

Almost surely, 2^25133434002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25133434002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28955016000).

25133434002 is an abundant number, since it is smaller than the sum of its proper divisors (32776597998).

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

25133434002 is a wasteful number, since it uses less digits than its factorization.

25133434002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36712 (or 36706 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 25133434002 its reverse (20043433152), we get a palindrome (45176867154).

The spelling of 25133434002 in words is "twenty-five billion, one hundred thirty-three million, four hundred thirty-four thousand, two".