19109040030 has 48 divisors (see below), whose sum is σ = 49943672064. Its totient is φ = 5069060160.

The previous prime is 19109040023. The next prime is 19109040053. The reversal of 19109040030 is 3004090191.

It is a super-3 number, since 3×19109040030³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 19109039976 and 19109040003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 538629 + ... + 573008.

It is an arithmetic number, because the mean of its divisors is an integer number (1040493168).

Almost surely, 2^19109040030 is an apocalyptic number.

19109040030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19109040030 is an abundant number, since it is smaller than the sum of its proper divisors (30834632034).

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

19109040030 is a wasteful number, since it uses less digits than its factorization.

19109040030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111841 (or 1111838 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The spelling of 19109040030 in words is "nineteen billion, one hundred nine million, forty thousand, thirty".