442202432140 has 48 divisors (see below), whose sum is σ = 1061374676544. Its totient is φ = 151599571200.

The previous prime is 442202432131. The next prime is 442202432149. The reversal of 442202432140 is 41234202244.

It is an interprime number because it is at equal distance from previous prime (442202432131) and next prime (442202432149).

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 = 442202432099 and 442202432108.

It is not an unprimeable number, because it can be changed into a prime (442202432149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1629810 + ... + 1881670.

It is an arithmetic number, because the mean of its divisors is an integer number (22111972428).

Almost surely, 2^442202432140 is an apocalyptic number.

It is an amenable number.

442202432140 is an abundant number, since it is smaller than the sum of its proper divisors (619172244404).

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

442202432140 is a wasteful number, since it uses less digits than its factorization.

442202432140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264418 (or 264416 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 442202432140 its reverse (41234202244), we get a palindrome (483436634384).

The spelling of 442202432140 in words is "four hundred forty-two billion, two hundred two million, four hundred thirty-two thousand, one hundred forty".