25050000402140 has 96 divisors (see below), whose sum is σ = 63721632562560. Its totient is φ = 8075087069184.

The previous prime is 25050000402121. The next prime is 25050000402149. The reversal of 25050000402140 is 4120400005052.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25050000402149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3061235 + ... + 7711754.

It is an arithmetic number, because the mean of its divisors is an integer number (663767005860).

Almost surely, 2^{25050000402140} is an apocalyptic number.

25050000402140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25050000402140 is an abundant number, since it is smaller than the sum of its proper divisors (38671632160420).

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

25050000402140 is a wasteful number, since it uses less digits than its factorization.

25050000402140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10773999 (or 10773997 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

Adding to 25050000402140 its reverse (4120400005052), we get a palindrome (29170400407192).

The spelling of 25050000402140 in words is "twenty-five trillion, fifty billion, four hundred two thousand, one hundred forty".