1103434252440 has 384 divisors, whose sum is σ = 3820036515840. Its totient is φ = 254272432128.

The previous prime is 1103434252423. The next prime is 1103434252471. The reversal of 1103434252440 is 442524343011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 21897514 + ... + 21947846.

It is an arithmetic number, because the mean of its divisors is an integer number (9948011760).

Almost surely, 2^{1103434252440} is an apocalyptic number.

1103434252440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1103434252440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1910018257920).

1103434252440 is an abundant number, since it is smaller than the sum of its proper divisors (2716602263400).

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

1103434252440 is a wasteful number, since it uses less digits than its factorization.

1103434252440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50443 (or 50426 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 33.

Adding to 1103434252440 its reverse (442524343011), we get a palindrome (1545958595451).

The spelling of 1103434252440 in words is "one trillion, one hundred three billion, four hundred thirty-four million, two hundred fifty-two thousand, four hundred forty".