25053325240 has 32 divisors (see below), whose sum is σ = 56729040480. Its totient is φ = 9957497472.

The previous prime is 25053325237. The next prime is 25053325249. The reversal of 25053325240 is 4252335052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25053325249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1988412 + ... + 2000971.

It is an arithmetic number, because the mean of its divisors is an integer number (1772782515).

Almost surely, 2^25053325240 is an apocalyptic number.

25053325240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25053325240 is an abundant number, since it is smaller than the sum of its proper divisors (31675715240).

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

25053325240 is a wasteful number, since it uses less digits than its factorization.

25053325240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3989551 (or 3989547 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 31.

The spelling of 25053325240 in words is "twenty-five billion, fifty-three million, three hundred twenty-five thousand, two hundred forty".