25278030305140 has 24 divisors (see below), whose sum is σ = 53085684863232. Its totient is φ = 10110865222560.

The previous prime is 25278030305119. The next prime is 25278030305243. The reversal of 25278030305140 is 4150303087252.

It is a super-2 number, since 2×25278030305140² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25278030305093 and 25278030305102.

It is a congruent number.

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, 21083296 + ... + 22249975.

It is an arithmetic number, because the mean of its divisors is an integer number (2211903535968).

Almost surely, 2^{25278030305140} is an apocalyptic number.

25278030305140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25278030305140 is an abundant number, since it is smaller than the sum of its proper divisors (27807654558092).

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

25278030305140 is a wasteful number, since it uses less digits than its factorization.

25278030305140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43362447 (or 43362445 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 40.

The spelling of 25278030305140 in words is "twenty-five trillion, two hundred seventy-eight billion, thirty million, three hundred five thousand, one hundred forty".