1040444431212 has 96 divisors (see below), whose sum is σ = 2502650836224. Its totient is φ = 336274848000.

The previous prime is 1040444431181. The next prime is 1040444431241. The reversal of 1040444431212 is 2121344440401.

It is a happy number.

It is a super-2 number, since 2×1040444431212² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1040444431212.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35122287 + ... + 35151897.

It is an arithmetic number, because the mean of its divisors is an integer number (26069279544).

Almost surely, 2^{1040444431212} is an apocalyptic number.

1040444431212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1040444431212 is an abundant number, since it is smaller than the sum of its proper divisors (1462206405012).

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

1040444431212 is a wasteful number, since it uses less digits than its factorization.

1040444431212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30319 (or 30317 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 1040444431212 its reverse (2121344440401), we get a palindrome (3161788871613).

The spelling of 1040444431212 in words is "one trillion, forty billion, four hundred forty-four million, four hundred thirty-one thousand, two hundred twelve".