400027040061 has 8 divisors (see below), whose sum is σ = 581857512864. Its totient is φ = 242440630320.

The previous prime is 400027040047. The next prime is 400027040129. The reversal of 400027040061 is 160040720004.

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

It is not a de Polignac number, because 400027040061 - 2¹⁰ = 400027039037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400027140061) 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, 6061015726 + ... + 6061015791.

It is an arithmetic number, because the mean of its divisors is an integer number (72732189108).

Almost surely, 2^400027040061 is an apocalyptic number.

It is an amenable number.

400027040061 is a deficient number, since it is larger than the sum of its proper divisors (181830472803).

400027040061 is a wasteful number, since it uses less digits than its factorization.

400027040061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12122031531.

The product of its (nonzero) digits is 1344, while the sum is 24.

Adding to 400027040061 its reverse (160040720004), we get a palindrome (560067760065).

The spelling of 400027040061 in words is "four hundred billion, twenty-seven million, forty thousand, sixty-one".