1442880320355 has 128 divisors (see below), whose sum is σ = 2660880384000. Its totient is φ = 741251492352.

The previous prime is 1442880320347. The next prime is 1442880320381. The reversal of 1442880320355 is 5530230882441.

1442880320355 is a `hidden beast` number, since 1 + 44 + 288 + 0 + 320 + 3 + 5 + 5 = 666.

It is not a de Polignac number, because 1442880320355 - 2³ = 1442880320347 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1442880320355.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 331770721 + ... + 331775069.

It is an arithmetic number, because the mean of its divisors is an integer number (20788128000).

Almost surely, 2^{1442880320355} is an apocalyptic number.

1442880320355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1442880320355 is a deficient number, since it is larger than the sum of its proper divisors (1218000063645).

1442880320355 is a wasteful number, since it uses less digits than its factorization.

1442880320355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5050 (or 5044 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 45.

The spelling of 1442880320355 in words is "one trillion, four hundred forty-two billion, eight hundred eighty million, three hundred twenty thousand, three hundred fifty-five".