11034012440 has 64 divisors (see below), whose sum is σ = 27542592000. Its totient is φ = 3944352640.

The previous prime is 11034012439. The next prime is 11034012589. The reversal of 11034012440 is 4421043011.

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, 186560 + ... + 238479.

It is an arithmetic number, because the mean of its divisors is an integer number (430353000).

Almost surely, 2^11034012440 is an apocalyptic number.

11034012440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11034012440 is an abundant number, since it is smaller than the sum of its proper divisors (16508579560).

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

11034012440 is a wasteful number, since it uses less digits than its factorization.

11034012440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425120 (or 425116 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 11034012440 its reverse (4421043011), we get a palindrome (15455055451).

The spelling of 11034012440 in words is "eleven billion, thirty-four million, twelve thousand, four hundred forty".