2780023468 has 12 divisors (see below), whose sum is σ = 4868783920. Its totient is φ = 1388942352.

The previous prime is 2780023451. The next prime is 2780023483. The reversal of 2780023468 is 8643200872.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2780023468.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261483 + ... + 271906.

Almost surely, 2^2780023468 is an apocalyptic number.

It is an amenable number.

2780023468 is a deficient number, since it is larger than the sum of its proper divisors (2088760452).

2780023468 is a wasteful number, since it uses less digits than its factorization.

2780023468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534696 (or 534694 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 2780023468 is about 52725.9278533816. The cubic root of 2780023468 is about 1406.0998244951.

The spelling of 2780023468 in words is "two billion, seven hundred eighty million, twenty-three thousand, four hundred sixty-eight".