25335750140 has 12 divisors (see below), whose sum is σ = 53205075336. Its totient is φ = 10134300048.

The previous prime is 25335750137. The next prime is 25335750149. The reversal of 25335750140 is 4105753352.

It is a self number, because there is not a number n which added to its sum of digits gives 25335750140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25335750149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 633393734 + ... + 633393773.

It is an arithmetic number, because the mean of its divisors is an integer number (4433756278).

Almost surely, 2^25335750140 is an apocalyptic number.

25335750140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25335750140 is an abundant number, since it is smaller than the sum of its proper divisors (27869325196).

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

25335750140 is a wasteful number, since it uses less digits than its factorization.

25335750140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266787516 (or 1266787514 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 35.

The spelling of 25335750140 in words is "twenty-five billion, three hundred thirty-five million, seven hundred fifty thousand, one hundred forty".