1011345340 has 12 divisors (see below), whose sum is σ = 2123825256. Its totient is φ = 404538128.

The previous prime is 1011345331. The next prime is 1011345341. The reversal of 1011345340 is 435431101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011345341) 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 3 ways as a sum of consecutive naturals, for example, 25283614 + ... + 25283653.

It is an arithmetic number, because the mean of its divisors is an integer number (176985438).

Almost surely, 2^1011345340 is an apocalyptic number.

1011345340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011345340 is an abundant number, since it is smaller than the sum of its proper divisors (1112479916).

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

1011345340 is a wasteful number, since it uses less digits than its factorization.

1011345340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50567276 (or 50567274 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1011345340 is about 31801.6562461769. The cubic root of 1011345340 is about 1003.7675676080.

Adding to 1011345340 its reverse (435431101), we get a palindrome (1446776441).

The spelling of 1011345340 in words is "one billion, eleven million, three hundred forty-five thousand, three hundred forty".