25000000014 has 64 divisors (see below), whose sum is σ = 56800673280. Its totient is φ = 7266000000.

The previous prime is 25000000013. The next prime is 25000000021. The reversal of 25000000014 is 41000000052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25000000013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 245764 + ... + 332264.

It is an arithmetic number, because the mean of its divisors is an integer number (887510520).

Almost surely, 2^25000000014 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25000000014, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28400336640).

25000000014 is an abundant number, since it is smaller than the sum of its proper divisors (31800673266).

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

25000000014 is a wasteful number, since it uses less digits than its factorization.

25000000014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86697.

The product of its (nonzero) digits is 40, while the sum is 12.

Adding to 25000000014 its reverse (41000000052), we get a palindrome (66000000066).

The spelling of 25000000014 in words is "twenty-five billion, fourteen", and thus it is an aban number.