1442323440432 has 120 divisors (see below), whose sum is σ = 4641447642624. Its totient is φ = 409564190592.

The previous prime is 1442323440419. The next prime is 1442323440521. The reversal of 1442323440432 is 2340443232441.

1442323440432 is a `hidden beast` number, since 1 + 44 + 232 + 344 + 0 + 43 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 23 ways as a sum of consecutive naturals, for example, 4224888 + ... + 4553495.

Almost surely, 2^{1442323440432} is an apocalyptic number.

1442323440432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1442323440432 is an abundant number, since it is smaller than the sum of its proper divisors (3199124202192).

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

1442323440432 is a wasteful number, since it uses less digits than its factorization.

1442323440432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8778567 (or 8778558 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 36.

Adding to 1442323440432 its reverse (2340443232441), we get a palindrome (3782766672873).

The spelling of 1442323440432 in words is "one trillion, four hundred forty-two billion, three hundred twenty-three million, four hundred forty thousand, four hundred thirty-two".