19057828040 has 16 divisors (see below), whose sum is σ = 42880113180. Its totient is φ = 7623131200.

The previous prime is 19057827983. The next prime is 19057828063. The reversal of 19057828040 is 4082875091.

It can be written as a sum of positive squares in 2 ways, for example, as 18978368644 + 79459396 = 137762^2 + 8914^2 .

It is a junction number, because it is equal to n+sod(n) for n = 19057827982 and 19057828000.

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 3 ways as a sum of consecutive naturals, for example, 238222811 + ... + 238222890.

Almost surely, 2^19057828040 is an apocalyptic number.

19057828040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19057828040 is an abundant number, since it is smaller than the sum of its proper divisors (23822285140).

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

19057828040 is a wasteful number, since it uses less digits than its factorization.

19057828040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476445712 (or 476445708 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 44.

The spelling of 19057828040 in words is "nineteen billion, fifty-seven million, eight hundred twenty-eight thousand, forty".