1772348606840 has 64 divisors (see below), whose sum is σ = 4755618639360. Its totient is φ = 581242273920.

The previous prime is 1772348606767. The next prime is 1772348606867. The reversal of 1772348606840 is 486068432771.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is an unprimeable number.

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, 137598266 + ... + 137611145.

It is an arithmetic number, because the mean of its divisors is an integer number (74306541240).

Almost surely, 2^{1772348606840} is an apocalyptic number.

1772348606840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1772348606840 is an abundant number, since it is smaller than the sum of its proper divisors (2983270032520).

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

1772348606840 is a wasteful number, since it uses less digits than its factorization.

1772348606840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275209452 (or 275209448 counting only the distinct ones).

The product of its (nonzero) digits is 10838016, while the sum is 56.

The spelling of 1772348606840 in words is "one trillion, seven hundred seventy-two billion, three hundred forty-eight million, six hundred six thousand, eight hundred forty".