25427740435942 has 32 divisors (see below), whose sum is σ = 42412847984640. Its totient is φ = 11354022560160.

The previous prime is 25427740435873. The next prime is 25427740436017. The reversal of 25427740435942 is 24953404772452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1763842 + ... + 7346197.

It is an arithmetic number, because the mean of its divisors is an integer number (1325401499520).

Almost surely, 2^{25427740435942} is an apocalyptic number.

25427740435942 is a deficient number, since it is larger than the sum of its proper divisors (16985107548698).

25427740435942 is a wasteful number, since it uses less digits than its factorization.

25427740435942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9113548.

The product of its (nonzero) digits is 67737600, while the sum is 58.

The spelling of 25427740435942 in words is "twenty-five trillion, four hundred twenty-seven billion, seven hundred forty million, four hundred thirty-five thousand, nine hundred forty-two".