1768275940 has 24 divisors (see below), whose sum is σ = 3732237432. Its totient is φ = 703718400.

The previous prime is 1768275937. The next prime is 1768275959. The reversal of 1768275940 is 495728671.

It can be written as a sum of positive squares in 4 ways, for example, as 517380516 + 1250895424 = 22746^2 + 35368^2 .

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

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 7 ways as a sum of consecutive naturals, for example, 220461 + ... + 228340.

It is an arithmetic number, because the mean of its divisors is an integer number (155509893).

Almost surely, 2^1768275940 is an apocalyptic number.

1768275940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1768275940 is an abundant number, since it is smaller than the sum of its proper divisors (1963961492).

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

1768275940 is a wasteful number, since it uses less digits than its factorization.

1768275940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449007 (or 449005 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 49.

The square root of 1768275940 is about 42050.8732370685. The cubic root of 1768275940 is about 1209.2516238363.

The spelling of 1768275940 in words is "one billion, seven hundred sixty-eight million, two hundred seventy-five thousand, nine hundred forty".