25707238045 has 8 divisors (see below), whose sum is σ = 31021025760. Its totient is φ = 20450897040.

The previous prime is 25707238043. The next prime is 25707238057. The reversal of 25707238045 is 54083270752.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25707238045 - 2¹ = 25707238043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25707237992 and 25707238010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25707238043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14360691 + ... + 14362480.

It is an arithmetic number, because the mean of its divisors is an integer number (3877628220).

Almost surely, 2^25707238045 is an apocalyptic number.

It is an amenable number.

25707238045 is a deficient number, since it is larger than the sum of its proper divisors (5313787715).

25707238045 is a wasteful number, since it uses less digits than its factorization.

25707238045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28723355.

The product of its (nonzero) digits is 470400, while the sum is 43.

The spelling of 25707238045 in words is "twenty-five billion, seven hundred seven million, two hundred thirty-eight thousand, forty-five".