242404220044 has 24 divisors (see below), whose sum is σ = 484822840320. Its totient is φ = 103884437136.

The previous prime is 242404220041. The next prime is 242404220081. The reversal of 242404220044 is 440022404242.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 242404219994 and 242404220021.

It is not an unprimeable number, because it can be changed into a prime (242404220041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1006839 + ... + 1224145.

It is an arithmetic number, because the mean of its divisors is an integer number (20200951680).

Almost surely, 2^242404220044 is an apocalyptic number.

It is an amenable number.

242404220044 is an abundant number, since it is smaller than the sum of its proper divisors (242418620276).

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

242404220044 is a wasteful number, since it uses less digits than its factorization.

242404220044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257157 (or 257155 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 242404220044 its reverse (440022404242), we get a palindrome (682426624286).

The spelling of 242404220044 in words is "two hundred forty-two billion, four hundred four million, two hundred twenty thousand, forty-four".