25014534415420 has 48 divisors (see below), whose sum is σ = 57312195560928. Its totient is φ = 9095214767360.

The previous prime is 25014534415417. The next prime is 25014534415439. The reversal of 25014534415420 is 2451443541052.

It is a super-2 number, since 2×25014534415420² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4073179 + ... + 8162098.

It is an arithmetic number, because the mean of its divisors is an integer number (1194004074186).

Almost surely, 2^{25014534415420} is an apocalyptic number.

25014534415420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25014534415420 is an abundant number, since it is smaller than the sum of its proper divisors (32297661145508).

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

25014534415420 is a wasteful number, since it uses less digits than its factorization.

25014534415420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12244590 (or 12244588 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 40.

Adding to 25014534415420 its reverse (2451443541052), we get a palindrome (27465977956472).

The spelling of 25014534415420 in words is "twenty-five trillion, fourteen billion, five hundred thirty-four million, four hundred fifteen thousand, four hundred twenty".