25027434216 has 64 divisors (see below), whose sum is σ = 70358299200. Its totient is φ = 8241960384.

The previous prime is 25027434203. The next prime is 25027434251. The reversal of 25027434216 is 61243472052.

25027434216 is a `hidden beast` number, since 2 + 5 + 0 + 2 + 7 + 434 + 216 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 680071 + ... + 715926.

It is an arithmetic number, because the mean of its divisors is an integer number (1099348425).

Almost surely, 2^25027434216 is an apocalyptic number.

It is an amenable number.

25027434216 is an abundant number, since it is smaller than the sum of its proper divisors (45330864984).

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

25027434216 is a wasteful number, since it uses less digits than its factorization.

25027434216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1396095 (or 1396085 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The spelling of 25027434216 in words is "twenty-five billion, twenty-seven million, four hundred thirty-four thousand, two hundred sixteen".