25002214140 has 48 divisors (see below), whose sum is σ = 70040644128. Its totient is φ = 6663976704.

The previous prime is 25002214121. The next prime is 25002214151. The reversal of 25002214140 is 4141220052.

It is a super-2 number, since 2×25002214140² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21694 + ... + 224666.

It is an arithmetic number, because the mean of its divisors is an integer number (1459180086).

Almost surely, 2^25002214140 is an apocalyptic number.

25002214140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25002214140 is an abundant number, since it is smaller than the sum of its proper divisors (45038429988).

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

25002214140 is a wasteful number, since it uses less digits than its factorization.

25002214140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205038 (or 205036 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

Adding to 25002214140 its reverse (4141220052), we get a palindrome (29143434192).

The spelling of 25002214140 in words is "twenty-five billion, two million, two hundred fourteen thousand, one hundred forty".