1442433771252 has 36 divisors (see below), whose sum is σ = 3838054773280. Its totient is φ = 455505401232.

The previous prime is 1442433771209. The next prime is 1442433771263. The reversal of 1442433771252 is 2521773342441.

It is a happy number.

1442433771252 is a `hidden beast` number, since 1 + 4 + 4 + 24 + 3 + 377 + 1 + 252 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 1442433771198 and 1442433771207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1054409968 + ... + 1054411335.

Almost surely, 2^{1442433771252} is an apocalyptic number.

1442433771252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1442433771252 is an abundant number, since it is smaller than the sum of its proper divisors (2395621002028).

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

1442433771252 is a wasteful number, since it uses less digits than its factorization.

1442433771252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2108821332 (or 2108821327 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 45.

The spelling of 1442433771252 in words is "one trillion, four hundred forty-two billion, four hundred thirty-three million, seven hundred seventy-one thousand, two hundred fifty-two".