11403230033440 has 96 divisors (see below), whose sum is σ = 32409180155520. Its totient is φ = 3703906289664.

The previous prime is 11403230033411. The next prime is 11403230033449. The reversal of 11403230033440 is 4433003230411.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 11403230033399 and 11403230033408.

It is not an unprimeable number, because it can be changed into a prime (11403230033449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267911757 + ... + 267954316.

It is an arithmetic number, because the mean of its divisors is an integer number (337595626620).

Almost surely, 2^{11403230033440} is an apocalyptic number.

11403230033440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11403230033440 is an abundant number, since it is smaller than the sum of its proper divisors (21005950122080).

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

11403230033440 is a wasteful number, since it uses less digits than its factorization.

11403230033440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535866114 (or 535866106 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 11403230033440 its reverse (4433003230411), we get a palindrome (15836233263851).

The spelling of 11403230033440 in words is "eleven trillion, four hundred three billion, two hundred thirty million, thirty-three thousand, four hundred forty".