1768335340 has 24 divisors (see below), whose sum is σ = 3747577680. Its totient is φ = 700843968.

The previous prime is 1768335337. The next prime is 1768335341. The reversal of 1768335340 is 435338671.

It is a junction number, because it is equal to n+sod(n) for n = 1768335293 and 1768335302.

It is not an unprimeable number, because it can be changed into a prime (1768335341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 403402 + ... + 407761.

It is an arithmetic number, because the mean of its divisors is an integer number (156149070).

Almost surely, 2^1768335340 is an apocalyptic number.

1768335340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1768335340 is an abundant number, since it is smaller than the sum of its proper divisors (1979242340).

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

1768335340 is a wasteful number, since it uses less digits than its factorization.

1768335340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811281 (or 811279 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 40.

The square root of 1768335340 is about 42051.5795184913. The cubic root of 1768335340 is about 1209.2651640953.

The spelling of 1768335340 in words is "one billion, seven hundred sixty-eight million, three hundred thirty-five thousand, three hundred forty".