242202440 has 32 divisors (see below), whose sum is σ = 550255680. Its totient is φ = 95938752.

The previous prime is 242202427. The next prime is 242202479. The reversal of 242202440 is 44202242.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25274 + ... + 33513.

It is an arithmetic number, because the mean of its divisors is an integer number (17195490).

Almost surely, 2^242202440 is an apocalyptic number.

242202440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242202440 is an abundant number, since it is smaller than the sum of its proper divisors (308053240).

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

242202440 is a wasteful number, since it uses less digits than its factorization.

242202440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58901 (or 58897 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 242202440 is about 15562.8544939545. The cubic root of 242202440 is about 623.3416860164.

Adding to 242202440 its reverse (44202242), we get a palindrome (286404682).

The spelling of 242202440 in words is "two hundred forty-two million, two hundred two thousand, four hundred forty".