40242021123433 has 8 divisors (see below), whose sum is σ = 40245697604288. Its totient is φ = 40238344856304.

The previous prime is 40242021123361. The next prime is 40242021123439. The reversal of 40242021123433 is 33432112024204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40242021123433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40242021123395 and 40242021123404.

It is not an unprimeable number, because it can be changed into a prime (40242021123439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 883970410 + ... + 884015932.

It is an arithmetic number, because the mean of its divisors is an integer number (5030712200536).

Almost surely, 2^{40242021123433} is an apocalyptic number.

It is an amenable number.

40242021123433 is a deficient number, since it is larger than the sum of its proper divisors (3676480855).

40242021123433 is a wasteful number, since it uses less digits than its factorization.

40242021123433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106863.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 40242021123433 its reverse (33432112024204), we get a palindrome (73674133147637).

The spelling of 40242021123433 in words is "forty trillion, two hundred forty-two billion, twenty-one million, one hundred twenty-three thousand, four hundred thirty-three".