2011022440340 has 12 divisors (see below), whose sum is σ = 4223147124756. Its totient is φ = 804408976128.

The previous prime is 2011022440307. The next prime is 2011022440363. The reversal of 2011022440340 is 430442201102.

It can be written as a sum of positive squares in 2 ways, for example, as 351181871236 + 1659840569104 = 592606^2 + 1288348^2 .

It is a super-2 number, since 2×2011022440340² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50275560989 + ... + 50275561028.

It is an arithmetic number, because the mean of its divisors is an integer number (351928927063).

Almost surely, 2^{2011022440340} is an apocalyptic number.

2011022440340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011022440340 is an abundant number, since it is smaller than the sum of its proper divisors (2212124684416).

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

2011022440340 is a wasteful number, since it uses less digits than its factorization.

2011022440340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100551122026 (or 100551122024 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 2011022440340 its reverse (430442201102), we get a palindrome (2441464641442).

The spelling of 2011022440340 in words is "two trillion, eleven billion, twenty-two million, four hundred forty thousand, three hundred forty".