242442026578408 has 8 divisors (see below), whose sum is σ = 454578799834530. Its totient is φ = 121221013289200.

The previous prime is 242442026578379. The next prime is 242442026578469. The reversal of 242442026578408 is 804875620244242.

It can be written as a sum of positive squares in only one way, i.e., 242439286893444 + 2739684964 = 15570462^2 + 52342^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15152626661143 + ... + 15152626661158.

Almost surely, 2^{242442026578408} is an apocalyptic number.

It is an amenable number.

242442026578408 is a deficient number, since it is larger than the sum of its proper divisors (212136773256122).

242442026578408 is a wasteful number, since it uses less digits than its factorization.

242442026578408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30305253322307 (or 30305253322303 counting only the distinct ones).

The product of its (nonzero) digits is 55050240, while the sum is 58.

The spelling of 242442026578408 in words is "two hundred forty-two trillion, four hundred forty-two billion, twenty-six million, five hundred seventy-eight thousand, four hundred eight".