442113022154 has 48 divisors (see below), whose sum is σ = 737473553856. Its totient is φ = 198048748800.

The previous prime is 442113022129. The next prime is 442113022157. The reversal of 442113022154 is 451220311244.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (442113022157) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1921289 + ... + 2139059.

It is an arithmetic number, because the mean of its divisors is an integer number (15364032372).

Almost surely, 2^442113022154 is an apocalyptic number.

442113022154 is a deficient number, since it is larger than the sum of its proper divisors (295360531702).

442113022154 is a wasteful number, since it uses less digits than its factorization.

442113022154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217919 (or 217890 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 442113022154 its reverse (451220311244), we get a palindrome (893333333398).

The spelling of 442113022154 in words is "four hundred forty-two billion, one hundred thirteen million, twenty-two thousand, one hundred fifty-four".