400240042131433 has 4 divisors (see below), whose sum is σ = 457417191007360. Its totient is φ = 343062893255508.

The previous prime is 400240042131427. The next prime is 400240042131439. The reversal of 400240042131433 is 334131240042004.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (400240042131427) and next prime (400240042131439).

It is a cyclic number.

It is not a de Polignac number, because 400240042131433 - 2³⁷ = 400102603177961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 400240042131395 and 400240042131404.

It is not an unprimeable number, because it can be changed into a prime (400240042131439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28588574437953 + ... + 28588574437966.

It is an arithmetic number, because the mean of its divisors is an integer number (114354297751840).

Almost surely, 2^{400240042131433} is an apocalyptic number.

It is an amenable number.

400240042131433 is a deficient number, since it is larger than the sum of its proper divisors (57177148875927).

400240042131433 is an equidigital number, since it uses as much as digits as its factorization.

400240042131433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57177148875926.

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

Adding to 400240042131433 its reverse (334131240042004), we get a palindrome (734371282173437).

The spelling of 400240042131433 in words is "four hundred trillion, two hundred forty billion, forty-two million, one hundred thirty-one thousand, four hundred thirty-three".