400556143041 has 16 divisors (see below), whose sum is σ = 543952282944. Its totient is φ = 262139701824.

The previous prime is 400556143019. The next prime is 400556143049. The reversal of 400556143041 is 140341655004.

It is not a de Polignac number, because 400556143041 - 2¹⁷ = 400556011969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 400556142993 and 400556143011.

It is not an unprimeable number, because it can be changed into a prime (400556143049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5084026 + ... + 5162211.

It is an arithmetic number, because the mean of its divisors is an integer number (33997017684).

Almost surely, 2^400556143041 is an apocalyptic number.

It is an amenable number.

400556143041 is a deficient number, since it is larger than the sum of its proper divisors (143396139903).

400556143041 is a wasteful number, since it uses less digits than its factorization.

400556143041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10246480.

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 400556143041 its reverse (140341655004), we get a palindrome (540897798045).

The spelling of 400556143041 in words is "four hundred billion, five hundred fifty-six million, one hundred forty-three thousand, forty-one".