1772271354642 has 32 divisors (see below), whose sum is σ = 3731545739520. Its totient is φ = 559597415760.

The previous prime is 1772271354617. The next prime is 1772271354643. The reversal of 1772271354642 is 2464531722771.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1772271354643) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 23917 + ... + 1882847.

It is an arithmetic number, because the mean of its divisors is an integer number (116610804360).

Almost surely, 2^{1772271354642} is an apocalyptic number.

1772271354642 is an abundant number, since it is smaller than the sum of its proper divisors (1959274384878).

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

1772271354642 is a wasteful number, since it uses less digits than its factorization.

1772271354642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1867318.

The product of its digits is 3951360, while the sum is 51.

The spelling of 1772271354642 in words is "one trillion, seven hundred seventy-two billion, two hundred seventy-one million, three hundred fifty-four thousand, six hundred forty-two".