2169529340 has 48 divisors (see below), whose sum is σ = 5038316640. Its totient is φ = 778106880.

The previous prime is 2169529337. The next prime is 2169529361. The reversal of 2169529340 is 439259612.

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, 51485 + ... + 83604.

It is an arithmetic number, because the mean of its divisors is an integer number (104964930).

Almost surely, 2^2169529340 is an apocalyptic number.

2169529340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2169529340 is an abundant number, since it is smaller than the sum of its proper divisors (2868787300).

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

2169529340 is a wasteful number, since it uses less digits than its factorization.

2169529340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135182 (or 135180 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 2169529340 is about 46578.2067065704. The cubic root of 2169529340 is about 1294.5589828154.

The spelling of 2169529340 in words is "two billion, one hundred sixty-nine million, five hundred twenty-nine thousand, three hundred forty".