242938920472 has 8 divisors (see below), whose sum is σ = 455510475900. Its totient is φ = 121469460232.

The previous prime is 242938920409. The next prime is 242938920517. The reversal of 242938920472 is 274029839242.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15183682522 + ... + 15183682537.

Almost surely, 2^242938920472 is an apocalyptic number.

It is an amenable number.

242938920472 is a deficient number, since it is larger than the sum of its proper divisors (212571555428).

242938920472 is a wasteful number, since it uses less digits than its factorization.

242938920472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30367365065 (or 30367365061 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 52.

The spelling of 242938920472 in words is "two hundred forty-two billion, nine hundred thirty-eight million, nine hundred twenty thousand, four hundred seventy-two".