2011001340 has 24 divisors (see below), whose sum is σ = 5630803920. Its totient is φ = 536267008.

The previous prime is 2011001329. The next prime is 2011001357. The reversal of 2011001340 is 431001102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16758285 + ... + 16758404.

It is an arithmetic number, because the mean of its divisors is an integer number (234616830).

Almost surely, 2^2011001340 is an apocalyptic number.

2011001340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011001340 is an abundant number, since it is smaller than the sum of its proper divisors (3619802580).

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

2011001340 is a wasteful number, since it uses less digits than its factorization.

2011001340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33516701 (or 33516699 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2011001340 is about 44844.1895901799. The cubic root of 2011001340 is about 1262.2269636659.

Adding to 2011001340 its reverse (431001102), we get a palindrome (2442002442).

The spelling of 2011001340 in words is "two billion, eleven million, one thousand, three hundred forty".