2133340540 has 24 divisors (see below), whose sum is σ = 4743546192. Its totient is φ = 803139840.

The previous prime is 2133340537. The next prime is 2133340541. The reversal of 2133340540 is 450433312.

It is a super-2 number, since 2×2133340540² = 9102283719214983200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133340541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3136926 + ... + 3137605.

It is an arithmetic number, because the mean of its divisors is an integer number (197647758).

Almost surely, 2^2133340540 is an apocalyptic number.

2133340540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2133340540 is an abundant number, since it is smaller than the sum of its proper divisors (2610205652).

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

2133340540 is a wasteful number, since it uses less digits than its factorization.

2133340540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6274557 (or 6274555 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 2133340540 is about 46188.0995495593. The cubic root of 2133340540 is about 1287.3206290476.

Adding to 2133340540 its reverse (450433312), we get a palindrome (2583773852).

The spelling of 2133340540 in words is "two billion, one hundred thirty-three million, three hundred forty thousand, five hundred forty".