25342238935402 has 4 divisors (see below), whose sum is σ = 38013358403106. Its totient is φ = 12671119467700.

The previous prime is 25342238935367. The next prime is 25342238935469. The reversal of 25342238935402 is 20453983224352.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 24228751797441 + 1113487137961 = 4922271^2 + 1055219^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 25342238935402.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6335559733849 + ... + 6335559733852.

Almost surely, 2^{25342238935402} is an apocalyptic number.

25342238935402 is a deficient number, since it is larger than the sum of its proper divisors (12671119467704).

25342238935402 is a wasteful number, since it uses less digits than its factorization.

25342238935402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12671119467703.

The product of its (nonzero) digits is 12441600, while the sum is 52.

The spelling of 25342238935402 in words is "twenty-five trillion, three hundred forty-two billion, two hundred thirty-eight million, nine hundred thirty-five thousand, four hundred two".