19020476490 has 64 divisors (see below), whose sum is σ = 48839552640. Its totient is φ = 4726391040.

The previous prime is 19020476477. The next prime is 19020476533. The reversal of 19020476490 is 9467402091.

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 31 ways as a sum of consecutive naturals, for example, 238749 + ... + 308288.

It is an arithmetic number, because the mean of its divisors is an integer number (763118010).

Almost surely, 2^19020476490 is an apocalyptic number.

19020476490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19020476490 is an abundant number, since it is smaller than the sum of its proper divisors (29819076150).

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

19020476490 is a wasteful number, since it uses less digits than its factorization.

19020476490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547127.

The product of its (nonzero) digits is 108864, while the sum is 42.

It can be divided in two parts, 19020 and 476490, that added together give a triangular number (495510 = T₉₉₅).

The spelling of 19020476490 in words is "nineteen billion, twenty million, four hundred seventy-six thousand, four hundred ninety".