242633223450 has 72 divisors (see below), whose sum is σ = 652062060000. Its totient is φ = 64683586080.

The previous prime is 242633223449. The next prime is 242633223529. The reversal of 242633223450 is 54322336242.

242633223450 is a `hidden beast` number, since 2 + 42 + 6 + 332 + 234 + 50 = 666.

It is a super-2 number, since 2×242633223450² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1525801 + ... + 1677299.

It is an arithmetic number, because the mean of its divisors is an integer number (9056417500).

Almost surely, 2^242633223450 is an apocalyptic number.

242633223450 is an abundant number, since it is smaller than the sum of its proper divisors (409428836550).

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

242633223450 is a wasteful number, since it uses less digits than its factorization.

242633223450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155076 (or 155068 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 36.

Adding to 242633223450 its reverse (54322336242), we get a palindrome (296955559692).

The spelling of 242633223450 in words is "two hundred forty-two billion, six hundred thirty-three million, two hundred twenty-three thousand, four hundred fifty".