19068256400 has 30 divisors (see below), whose sum is σ = 45811486962. Its totient is φ = 7627302400.

The previous prime is 19068256391. The next prime is 19068256429. The reversal of 19068256400 is 465286091.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 2659671184 + 16408585216 = 51572^2 + 128096^2 .

It is a super-2 number, since 2×19068256400² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23834921 + ... + 23835720.

Almost surely, 2^19068256400 is an apocalyptic number.

19068256400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19068256400 is an abundant number, since it is smaller than the sum of its proper divisors (26743230562).

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

19068256400 is a wasteful number, since it uses less digits than its factorization.

19068256400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47670659 (or 47670648 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 19068256400 in words is "nineteen billion, sixty-eight million, two hundred fifty-six thousand, four hundred".