1111333340 has 48 divisors (see below), whose sum is σ = 2516122560. Its totient is φ = 409881600.

The previous prime is 1111333271. The next prime is 1111333357. The reversal of 1111333340 is 433331111.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 310481 + ... + 314039.

It is an arithmetic number, because the mean of its divisors is an integer number (52419220).

Almost surely, 2^1111333340 is an apocalyptic number.

1111333340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111333340 is an abundant number, since it is smaller than the sum of its proper divisors (1404789220).

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

1111333340 is a wasteful number, since it uses less digits than its factorization.

1111333340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4782 (or 4780 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 1111333340 is about 33336.6666000067. Note that the first 4 decimals coincide. The cubic root of 1111333340 is about 1035.8132157309.

Adding to 1111333340 its reverse (433331111), we get a palindrome (1544664451).

The spelling of 1111333340 in words is "one billion, one hundred eleven million, three hundred thirty-three thousand, three hundred forty".