25434230640052 has 24 divisors (see below), whose sum is σ = 47938951753056. Its totient is φ = 11737599910368.

The previous prime is 25434230639999. The next prime is 25434230640067. The reversal of 25434230640052 is 25004603243452.

It is a junction number, because it is equal to n+sod(n) for n = 25434230639987 and 25434230640014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26095378 + ... + 27052489.

It is an arithmetic number, because the mean of its divisors is an integer number (1997456323044).

Almost surely, 2^{25434230640052} is an apocalyptic number.

It is an amenable number.

25434230640052 is a deficient number, since it is larger than the sum of its proper divisors (22504721113004).

25434230640052 is a wasteful number, since it uses less digits than its factorization.

25434230640052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53157087 (or 53157085 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 40.

The spelling of 25434230640052 in words is "twenty-five trillion, four hundred thirty-four billion, two hundred thirty million, six hundred forty thousand, fifty-two".