25380432142 has 64 divisors (see below), whose sum is σ = 43568965440. Its totient is φ = 10992153600.

The previous prime is 25380432139. The next prime is 25380432151. The reversal of 25380432142 is 24123408352.

It is a junction number, because it is equal to n+sod(n) for n = 25380432098 and 25380432107.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 33351042 + ... + 33351802.

It is an arithmetic number, because the mean of its divisors is an integer number (680765085).

Almost surely, 2^25380432142 is an apocalyptic number.

25380432142 is a deficient number, since it is larger than the sum of its proper divisors (18188533298).

25380432142 is a wasteful number, since it uses less digits than its factorization.

25380432142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1349.

The product of its (nonzero) digits is 46080, while the sum is 34.

The spelling of 25380432142 in words is "twenty-five billion, three hundred eighty million, four hundred thirty-two thousand, one hundred forty-two".