25214851882540 has 24 divisors (see below), whose sum is σ = 52951496043600. Its totient is φ = 10085882259648.

The previous prime is 25214851882531. The next prime is 25214851882541. The reversal of 25214851882540 is 4528815841252.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (25214851882541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33507 + ... + 7101466.

It is an arithmetic number, because the mean of its divisors is an integer number (2206312335150).

Almost surely, 2^{25214851882540} is an apocalyptic number.

25214851882540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25214851882540 is an abundant number, since it is smaller than the sum of its proper divisors (27736644161060).

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

25214851882540 is a wasteful number, since it uses less digits than its factorization.

25214851882540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7311681 (or 7311679 counting only the distinct ones).

The product of its (nonzero) digits is 8192000, while the sum is 55.

The spelling of 25214851882540 in words is "twenty-five trillion, two hundred fourteen billion, eight hundred fifty-one million, eight hundred eighty-two thousand, five hundred forty".