19028927790 has 48 divisors (see below), whose sum is σ = 50681934576. Its totient is φ = 4950614400.

The previous prime is 19028927789. The next prime is 19028927791. The reversal of 19028927790 is 9772982091.

19028927790 is a `hidden beast` number, since 1 + 9 + 0 + 289 + 277 + 90 = 666.

19028927790 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (19028927789) and next prime (19028927791).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19028927791) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2574756 + ... + 2582135.

It is an arithmetic number, because the mean of its divisors is an integer number (1055873637).

Almost surely, 2^19028927790 is an apocalyptic number.

19028927790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19028927790 is an abundant number, since it is smaller than the sum of its proper divisors (31653006786).

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

19028927790 is a wasteful number, since it uses less digits than its factorization.

19028927790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5156945 (or 5156942 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 54.

The spelling of 19028927790 in words is "nineteen billion, twenty-eight million, nine hundred twenty-seven thousand, seven hundred ninety".