25134042928 has 10 divisors (see below), whose sum is σ = 48697208204. Its totient is φ = 12567021456.

The previous prime is 25134042911. The next prime is 25134042959. The reversal of 25134042928 is 82924043152.

It is a super-2 number, since 2×25134042928² (a number of 22 digits) contains 22 as substring.

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 as a sum of consecutive naturals, namely, 785438826 + ... + 785438857.

Almost surely, 2^25134042928 is an apocalyptic number.

It is an amenable number.

25134042928 is a deficient number, since it is larger than the sum of its proper divisors (23563165276).

25134042928 is a wasteful number, since it uses less digits than its factorization.

25134042928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1570877691 (or 1570877685 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 25134042928 in words is "twenty-five billion, one hundred thirty-four million, forty-two thousand, nine hundred twenty-eight".