25415241324420 has 24 divisors (see below), whose sum is σ = 71162675708544. Its totient is φ = 6777397686496.

The previous prime is 25415241324409. The next prime is 25415241324439. The reversal of 25415241324420 is 2442314251452.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211793677644 + ... + 211793677763.

It is an arithmetic number, because the mean of its divisors is an integer number (2965111487856).

Almost surely, 2^{25415241324420} is an apocalyptic number.

25415241324420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25415241324420 is an abundant number, since it is smaller than the sum of its proper divisors (45747434384124).

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

25415241324420 is a wasteful number, since it uses less digits than its factorization.

25415241324420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423587355419 (or 423587355417 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 39.

Adding to 25415241324420 its reverse (2442314251452), we get a palindrome (27857555575872).

The spelling of 25415241324420 in words is "twenty-five trillion, four hundred fifteen billion, two hundred forty-one million, three hundred twenty-four thousand, four hundred twenty".