25240435006242 has 16 divisors (see below), whose sum is σ = 50492656398240. Its totient is φ = 8411513937792.

The previous prime is 25240435006211. The next prime is 25240435006321. The reversal of 25240435006242 is 24260053404252.

It is a self number, because there is not a number n which added to its sum of digits gives 25240435006242.

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, 491071567 + ... + 491122962.

It is an arithmetic number, because the mean of its divisors is an integer number (3155791024890).

Almost surely, 2^{25240435006242} is an apocalyptic number.

25240435006242 is an abundant number, since it is smaller than the sum of its proper divisors (25252221391998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25240435006242 is a wasteful number, since it uses less digits than its factorization.

25240435006242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982198817.

The product of its (nonzero) digits is 460800, while the sum is 39.

The spelling of 25240435006242 in words is "twenty-five trillion, two hundred forty billion, four hundred thirty-five million, six thousand, two hundred forty-two".