1020144329976 has 64 divisors (see below), whose sum is σ = 2603229840000. Its totient is φ = 333041764736.

The previous prime is 1020144329951. The next prime is 1020144329987. The reversal of 1020144329976 is 6799234410201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 958206 + ... + 1720013.

It is an arithmetic number, because the mean of its divisors is an integer number (40675466250).

Almost surely, 2^{1020144329976} is an apocalyptic number.

It is an amenable number.

1020144329976 is an abundant number, since it is smaller than the sum of its proper divisors (1583085510024).

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

1020144329976 is a wasteful number, since it uses less digits than its factorization.

1020144329976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2678556 (or 2678552 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 48.

The spelling of 1020144329976 in words is "one trillion, twenty billion, one hundred forty-four million, three hundred twenty-nine thousand, nine hundred seventy-six".