4056402400061 has 8 divisors (see below), whose sum is σ = 4497709964448. Its totient is φ = 3627185454000.

The previous prime is 4056402400007. The next prime is 4056402400067. The reversal of 4056402400061 is 1600042046504.

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-4056402400061 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4056402400067) 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, 3022653875 + ... + 3022655216.

It is an arithmetic number, because the mean of its divisors is an integer number (562213745556).

Almost surely, 2^{4056402400061} is an apocalyptic number.

It is an amenable number.

4056402400061 is a deficient number, since it is larger than the sum of its proper divisors (441307564387).

4056402400061 is a wasteful number, since it uses less digits than its factorization.

4056402400061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6045309163.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 4056402400061 its reverse (1600042046504), we get a palindrome (5656444446565).

The spelling of 4056402400061 in words is "four trillion, fifty-six billion, four hundred two million, four hundred thousand, sixty-one".