2011423410 has 72 divisors (see below), whose sum is σ = 5519524140. Its totient is φ = 508140864.

The previous prime is 2011423409. The next prime is 2011423417. The reversal of 2011423410 is 143241102.

2011423410 is a `hidden beast` number, since 201 + 1 + 423 + 41 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1931338809 + 80084601 = 43947^2 + 8949^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2011423417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1536 + ... + 63444.

Almost surely, 2^2011423410 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2011423410, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2759762070).

2011423410 is an abundant number, since it is smaller than the sum of its proper divisors (3508100730).

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

2011423410 is a wasteful number, since it uses less digits than its factorization.

2011423410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61960 (or 61938 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2011423410 is about 44848.8953041209. The cubic root of 2011423410 is about 1262.3152631044.

Adding to 2011423410 its reverse (143241102), we get a palindrome (2154664512).

The spelling of 2011423410 in words is "two billion, eleven million, four hundred twenty-three thousand, four hundred ten".