2169219340 has 24 divisors (see below), whose sum is σ = 4566198672. Its totient is φ = 865623360.

The previous prime is 2169219307. The next prime is 2169219391. The reversal of 2169219340 is 439129612.

It is a self number, because there is not a number n which added to its sum of digits gives 2169219340.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120394 + ... + 137233.

It is an arithmetic number, because the mean of its divisors is an integer number (190258278).

Almost surely, 2^2169219340 is an apocalyptic number.

2169219340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2169219340 is an abundant number, since it is smaller than the sum of its proper divisors (2396979332).

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

2169219340 is a wasteful number, since it uses less digits than its factorization.

2169219340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258057 (or 258055 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 2169219340 is about 46574.8788511575. The cubic root of 2169219340 is about 1294.4973208391.

The spelling of 2169219340 in words is "two billion, one hundred sixty-nine million, two hundred nineteen thousand, three hundred forty".