42240452144 has 20 divisors (see below), whose sum is σ = 89280956040. Its totient is φ = 19200205440.

The previous prime is 42240452141. The next prime is 42240452159. The reversal of 42240452144 is 44125404224.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 42240452144.

It is not an unprimeable number, because it can be changed into a prime (42240452141) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 120001109 + ... + 120001460.

It is an arithmetic number, because the mean of its divisors is an integer number (4464047802).

Almost surely, 2^42240452144 is an apocalyptic number.

42240452144 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42240452144 is an abundant number, since it is smaller than the sum of its proper divisors (47040503896).

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

42240452144 is a wasteful number, since it uses less digits than its factorization.

42240452144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240002588 (or 240002582 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 32.

Adding to 42240452144 its reverse (44125404224), we get a palindrome (86365856368).

The spelling of 42240452144 in words is "forty-two billion, two hundred forty million, four hundred fifty-two thousand, one hundred forty-four".