442043311040 has 28 divisors (see below), whose sum is σ = 1052615635176. Its totient is φ = 176817324288.

The previous prime is 442043311033. The next prime is 442043311049. The reversal of 442043311040 is 40113340244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442043311049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 690692354 + ... + 690692993.

It is an arithmetic number, because the mean of its divisors is an integer number (37593415542).

Almost surely, 2^442043311040 is an apocalyptic number.

442043311040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

442043311040 is an abundant number, since it is smaller than the sum of its proper divisors (610572324136).

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

442043311040 is a wasteful number, since it uses less digits than its factorization.

442043311040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1381385364 (or 1381385354 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 442043311040 its reverse (40113340244), we get a palindrome (482156651284).

The spelling of 442043311040 in words is "four hundred forty-two billion, forty-three million, three hundred eleven thousand, forty".