400244344302041 has 4 divisors (see below), whose sum is σ = 413155452182784. Its totient is φ = 387333236421300.

The previous prime is 400244344301981. The next prime is 400244344302053. The reversal of 400244344302041 is 140203443442004.

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 a cyclic number.

It is not a de Polignac number, because 400244344302041 - 2³⁸ = 399969466395097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 400244344301992 and 400244344302010.

It is not an unprimeable number, because it can be changed into a prime (400244344322041) 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, 6455553940325 + ... + 6455553940386.

It is an arithmetic number, because the mean of its divisors is an integer number (103288863045696).

Almost surely, 2^{400244344302041} is an apocalyptic number.

It is an amenable number.

400244344302041 is a deficient number, since it is larger than the sum of its proper divisors (12911107880743).

400244344302041 is a wasteful number, since it uses less digits than its factorization.

400244344302041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12911107880742.

The product of its (nonzero) digits is 147456, while the sum is 35.

Adding to 400244344302041 its reverse (140203443442004), we get a palindrome (540447787744045).

The spelling of 400244344302041 in words is "four hundred trillion, two hundred forty-four billion, three hundred forty-four million, three hundred two thousand, forty-one".