442431342234420 has 192 divisors, whose sum is σ = 1611639229648896. Its totient is φ = 87936664273920.

The previous prime is 442431342234407. The next prime is 442431342234433. The reversal of 442431342234420 is 24432243134244.

It is an interprime number because it is at equal distance from previous prime (442431342234407) and next prime (442431342234433).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2081727649 + ... + 2081940168.

It is an arithmetic number, because the mean of its divisors is an integer number (8393954321088).

Almost surely, 2^{442431342234420} is an apocalyptic number.

It is an amenable number.

442431342234420 is an abundant number, since it is smaller than the sum of its proper divisors (1169207887414476).

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

442431342234420 is a wasteful number, since it uses less digits than its factorization.

442431342234420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4163667870 (or 4163667868 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 42.

Adding to 442431342234420 its reverse (24432243134244), we get a palindrome (466863585368664).

The spelling of 442431342234420 in words is "four hundred forty-two trillion, four hundred thirty-one billion, three hundred forty-two million, two hundred thirty-four thousand, four hundred twenty".