1766055040 has 32 divisors (see below), whose sum is σ = 4221976860. Its totient is φ = 706421760.

The previous prime is 1766055001. The next prime is 1766055091. The reversal of 1766055040 is 405506671.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1764672064 + 1382976 = 42008^2 + 1176^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 1766054987 and 1766055005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1379091 + ... + 1380370.

Almost surely, 2^1766055040 is an apocalyptic number.

1766055040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1766055040 is an abundant number, since it is smaller than the sum of its proper divisors (2455921820).

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

1766055040 is an equidigital number, since it uses as much as digits as its factorization.

1766055040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2759480 (or 2759468 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 1766055040 is about 42024.4576407596. The cubic root of 1766055040 is about 1208.7451508343.

The spelling of 1766055040 in words is "one billion, seven hundred sixty-six million, fifty-five thousand, forty".