11234435432440 has 32 divisors (see below), whose sum is σ = 27575432426160. Its totient is φ = 4085249248000.

The previous prime is 11234435432417. The next prime is 11234435432483. The reversal of 11234435432440 is 4423453443211.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 11234435432393 and 11234435432402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12766403461 + ... + 12766404340.

Almost surely, 2^{11234435432440} is an apocalyptic number.

11234435432440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11234435432440 is an abundant number, since it is smaller than the sum of its proper divisors (16340996993720).

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

11234435432440 is a wasteful number, since it uses less digits than its factorization.

11234435432440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25532807823 (or 25532807819 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 40.

Adding to 11234435432440 its reverse (4423453443211), we get a palindrome (15657888875651).

The spelling of 11234435432440 in words is "eleven trillion, two hundred thirty-four billion, four hundred thirty-five million, four hundred thirty-two thousand, four hundred forty".