25942707945 has 192 divisors, whose sum is σ = 58672535040. Its totient is φ = 10777536000.

The previous prime is 25942707941. The next prime is 25942707979. The reversal of 25942707945 is 54970724952.

25942707945 is a `hidden beast` number, since 2 + 594 + 2 + 7 + 0 + 7 + 9 + 45 = 666.

It is not a de Polignac number, because 25942707945 - 2² = 25942707941 is a prime.

It is a super-2 number, since 2×25942707945² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25942707891 and 25942707900.

It is not an unprimeable number, because it can be changed into a prime (25942707941) by changing a digit.

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 191 ways as a sum of consecutive naturals, for example, 9260545 + ... + 9263345.

It is an arithmetic number, because the mean of its divisors is an integer number (305586120).

Almost surely, 2^25942707945 is an apocalyptic number.

It is an amenable number.

25942707945 is an abundant number, since it is smaller than the sum of its proper divisors (32729827095).

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

25942707945 is an equidigital number, since it uses as much as digits as its factorization.

25942707945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2856 (or 2827 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 54.

The spelling of 25942707945 in words is "twenty-five billion, nine hundred forty-two million, seven hundred seven thousand, nine hundred forty-five".