242265026405521 has 32 divisors (see below), whose sum is σ = 286431089524736. Its totient is φ = 200517853536000.

The previous prime is 242265026405497. The next prime is 242265026405537. The reversal of 242265026405521 is 125504620562242.

242265026405521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 242265026405521 - 2³¹ = 242262878921873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242265026405221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 227177641 + ... + 228241561.

It is an arithmetic number, because the mean of its divisors is an integer number (8950971547648).

Almost surely, 2^{242265026405521} is an apocalyptic number.

It is an amenable number.

242265026405521 is a deficient number, since it is larger than the sum of its proper divisors (44166063119215).

242265026405521 is a wasteful number, since it uses less digits than its factorization.

242265026405521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066253.

The product of its (nonzero) digits is 2304000, while the sum is 46.

Adding to 242265026405521 its reverse (125504620562242), we get a palindrome (367769646967763).

The spelling of 242265026405521 in words is "two hundred forty-two trillion, two hundred sixty-five billion, twenty-six million, four hundred five thousand, five hundred twenty-one".