12040350453540 has 144 divisors (see below), whose sum is σ = 38111753691648. Its totient is φ = 3071046857472.

The previous prime is 12040350453539. The next prime is 12040350453619. The reversal of 12040350453540 is 4535405304021.

12040350453540 is a `hidden beast` number, since 1 + 2 + 0 + 40 + 35 + 0 + 45 + 3 + 540 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 12040350453495 and 12040350453504.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 194271637 + ... + 194333603.

It is an arithmetic number, because the mean of its divisors is an integer number (264664956192).

Almost surely, 2^{12040350453540} is an apocalyptic number.

12040350453540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12040350453540 is an abundant number, since it is smaller than the sum of its proper divisors (26071403238108).

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

12040350453540 is a wasteful number, since it uses less digits than its factorization.

12040350453540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108938 (or 108933 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 12040350453540 its reverse (4535405304021), we get a palindrome (16575755757561).

The spelling of 12040350453540 in words is "twelve trillion, forty billion, three hundred fifty million, four hundred fifty-three thousand, five hundred forty".