442041111231220 has 12 divisors (see below), whose sum is σ = 928286333585604. Its totient is φ = 176816444492480.

The previous prime is 442041111231197. The next prime is 442041111231263. The reversal of 442041111231220 is 22132111140244.

It can be written as a sum of positive squares in 2 ways, for example, as 132881965173136 + 309159146058084 = 11527444^2 + 17582922^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11051027780761 + ... + 11051027780800.

It is an arithmetic number, because the mean of its divisors is an integer number (77357194465467).

Almost surely, 2^{442041111231220} is an apocalyptic number.

It is an amenable number.

442041111231220 is an abundant number, since it is smaller than the sum of its proper divisors (486245222354384).

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

442041111231220 is a wasteful number, since it uses less digits than its factorization.

442041111231220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22102055561570 (or 22102055561568 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

Adding to 442041111231220 its reverse (22132111140244), we get a palindrome (464173222371464).

The spelling of 442041111231220 in words is "four hundred forty-two trillion, forty-one billion, one hundred eleven million, two hundred thirty-one thousand, two hundred twenty".