2169119540 has 24 divisors (see below), whose sum is σ = 5205887232. Its totient is φ = 743698080.

The previous prime is 2169119521. The next prime is 2169119543. The reversal of 2169119540 is 459119612.

It is a junction number, because it is equal to n+sod(n) for n = 2169119494 and 2169119503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2169119543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7746716 + ... + 7746995.

It is an arithmetic number, because the mean of its divisors is an integer number (216911968).

Almost surely, 2^2169119540 is an apocalyptic number.

2169119540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2169119540 is an abundant number, since it is smaller than the sum of its proper divisors (3036767692).

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

2169119540 is a wasteful number, since it uses less digits than its factorization.

2169119540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15493727 (or 15493725 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 38.

The square root of 2169119540 is about 46573.8074458166. The cubic root of 2169119540 is about 1294.4774684109.

The spelling of 2169119540 in words is "two billion, one hundred sixty-nine million, one hundred nineteen thousand, five hundred forty".