442212405110040 has 32 divisors (see below), whose sum is σ = 1326637215330480. Its totient is φ = 117923308029312.

The previous prime is 442212405110027. The next prime is 442212405110041. The reversal of 442212405110040 is 40011504212244.

It is a super-2 number, since 2×442212405110040² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442212405110041) 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 7 ways as a sum of consecutive naturals, for example, 1842551687839 + ... + 1842551688078.

Almost surely, 2^{442212405110040} is an apocalyptic number.

442212405110040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

442212405110040 is an abundant number, since it is smaller than the sum of its proper divisors (884424810220440).

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

442212405110040 is a wasteful number, since it uses less digits than its factorization.

442212405110040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3685103375931 (or 3685103375927 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 30.

Adding to 442212405110040 its reverse (40011504212244), we get a palindrome (482223909322284).

The spelling of 442212405110040 in words is "four hundred forty-two trillion, two hundred twelve billion, four hundred five million, one hundred ten thousand, forty".