4056402400031 has 4 divisors (see below), whose sum is σ = 4056406444272. Its totient is φ = 4056398355792.

The previous prime is 4056402400007. The next prime is 4056402400067. The reversal of 4056402400031 is 1300042046504.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4056402400031 - 2¹⁴ = 4056402383647 is a prime.

It is a super-2 number, since 2×4056402400031² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4056402399967 and 4056402400003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4056402400081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 740366 + ... + 2942948.

It is an arithmetic number, because the mean of its divisors is an integer number (1014101611068).

Almost surely, 2^{4056402400031} is an apocalyptic number.

4056402400031 is a deficient number, since it is larger than the sum of its proper divisors (4044241).

4056402400031 is a wasteful number, since it uses less digits than its factorization.

4056402400031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4044240.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 4056402400031 its reverse (1300042046504), we get a palindrome (5356444446535).

The spelling of 4056402400031 in words is "four trillion, fifty-six billion, four hundred two million, four hundred thousand, thirty-one".