40442313233412 has 18 divisors (see below), whose sum is σ = 102229180673438. Its totient is φ = 13480771077792.

The previous prime is 40442313233407. The next prime is 40442313233453. The reversal of 40442313233412 is 21433231324404.

40442313233412 is a `hidden beast` number, since 4 + 0 + 4 + 4 + 2 + 3 + 1 + 3 + 233 + 412 = 666.

It can be written as a sum of positive squares in only one way, i.e., 39878921880576 + 563391352836 = 6314976^2 + 750594^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×40442313233412² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1123397589817 = 40442313233412 / (4 + 0 + 4 + 4 + 2 + 3 + 1 + 3 + 2 + 3 + 3 + 4 + 1 + 2).

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 561698794873 + ... + 561698794944.

Almost surely, 2^{40442313233412} is an apocalyptic number.

It is an amenable number.

40442313233412 is an abundant number, since it is smaller than the sum of its proper divisors (61786867440026).

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

40442313233412 is a wasteful number, since it uses less digits than its factorization.

40442313233412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123397589827 (or 1123397589822 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 36.

Adding to 40442313233412 its reverse (21433231324404), we get a palindrome (61875544557816).

The spelling of 40442313233412 in words is "forty trillion, four hundred forty-two billion, three hundred thirteen million, two hundred thirty-three thousand, four hundred twelve".