2209419240 has 256 divisors, whose sum is σ = 7803371520. Its totient is φ = 489999360.

The previous prime is 2209419239. The next prime is 2209419281. The reversal of 2209419240 is 429149022.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7540534 + ... + 7540826.

It is an arithmetic number, because the mean of its divisors is an integer number (30481920).

Almost surely, 2^2209419240 is an apocalyptic number.

2209419240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2209419240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3901685760).

2209419240 is an abundant number, since it is smaller than the sum of its proper divisors (5593952280).

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

2209419240 is a wasteful number, since it uses less digits than its factorization.

2209419240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552 (or 548 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 2209419240 is about 47004.4597884073. The cubic root of 2209419240 is about 1302.4449530537. Note that the first 3 decimals are identical.

It can be divided in two parts, 220941 and 9240, that added together give a triangular number (230181 = T₆₇₈).

The spelling of 2209419240 in words is "two billion, two hundred nine million, four hundred nineteen thousand, two hundred forty".