2609455212 has 432 divisors, whose sum is σ = 8940728160. Its totient is φ = 634023936.

The previous prime is 2609455187. The next prime is 2609455223. The reversal of 2609455212 is 2125549062.

2609455212 is a `hidden beast` number, since 2 + 6 + 0 + 94 + 552 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 23092468 + ... + 23092580.

It is an arithmetic number, because the mean of its divisors is an integer number (20696130).

Almost surely, 2^2609455212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2609455212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4470364080).

2609455212 is an abundant number, since it is smaller than the sum of its proper divisors (6331272948).

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

2609455212 is a wasteful number, since it uses less digits than its factorization.

2609455212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222 (or 210 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 2609455212 is about 51082.8269773708. The cubic root of 2609455212 is about 1376.7337182063.

The spelling of 2609455212 in words is "two billion, six hundred nine million, four hundred fifty-five thousand, two hundred twelve".