1442828257707 has 16 divisors (see below), whose sum is σ = 2025255600000. Its totient is φ = 911154884544.

The previous prime is 1442828257697. The next prime is 1442828257723. The reversal of 1442828257707 is 7077528282441.

It is not a de Polignac number, because 1442828257707 - 2⁶ = 1442828257643 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (1442828257757) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 959082 + ... + 1950767.

It is an arithmetic number, because the mean of its divisors is an integer number (126578475000).

Almost surely, 2^{1442828257707} is an apocalyptic number.

1442828257707 is a deficient number, since it is larger than the sum of its proper divisors (582427342293).

1442828257707 is a wasteful number, since it uses less digits than its factorization.

1442828257707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2918570.

The product of its (nonzero) digits is 14049280, while the sum is 57.

The spelling of 1442828257707 in words is "one trillion, four hundred forty-two billion, eight hundred twenty-eight million, two hundred fifty-seven thousand, seven hundred seven".