19008035420 has 48 divisors (see below), whose sum is σ = 44607792096. Its totient is φ = 6743424000.

The previous prime is 19008035411. The next prime is 19008035447. The reversal of 19008035420 is 2453080091.

It is a super-2 number, since 2×19008035420² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1044641 + ... + 1062680.

It is an arithmetic number, because the mean of its divisors is an integer number (929329002).

Almost surely, 2^19008035420 is an apocalyptic number.

19008035420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19008035420 is an abundant number, since it is smaller than the sum of its proper divisors (25599756676).

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

19008035420 is a wasteful number, since it uses less digits than its factorization.

19008035420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2107382 (or 2107380 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The spelling of 19008035420 in words is "nineteen billion, eight million, thirty-five thousand, four hundred twenty".