25072205140 has 24 divisors (see below), whose sum is σ = 52654833000. Its totient is φ = 10028272128.

The previous prime is 25072205089. The next prime is 25072205173. The reversal of 25072205140 is 4150227052.

It can be written as a sum of positive squares in 4 ways, for example, as 3812815504 + 21259389636 = 61748^2 + 145806^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25072205099 and 25072205108.

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, 453736 + ... + 505984.

It is an arithmetic number, because the mean of its divisors is an integer number (2193951375).

Almost surely, 2^25072205140 is an apocalyptic number.

25072205140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25072205140 is an abundant number, since it is smaller than the sum of its proper divisors (27582627860).

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

25072205140 is a wasteful number, since it uses less digits than its factorization.

25072205140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76251 (or 76249 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 28.

The spelling of 25072205140 in words is "twenty-five billion, seventy-two million, two hundred five thousand, one hundred forty".