400342311023134 has 32 divisors (see below), whose sum is σ = 635964323076000. Its totient is φ = 188483024830464.

The previous prime is 400342311023059. The next prime is 400342311023143. The reversal of 400342311023134 is 431320113243004.

It is a junction number, because it is equal to n+sod(n) for n = 400342311023096 and 400342311023105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12738282 + ... + 31031410.

It is an arithmetic number, because the mean of its divisors is an integer number (19873885096125).

Almost surely, 2^{400342311023134} is an apocalyptic number.

400342311023134 is a deficient number, since it is larger than the sum of its proper divisors (235622012052866).

400342311023134 is a wasteful number, since it uses less digits than its factorization.

400342311023134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18296652.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 400342311023134 its reverse (431320113243004), we get a palindrome (831662424266138).

The spelling of 400342311023134 in words is "four hundred trillion, three hundred forty-two billion, three hundred eleven million, twenty-three thousand, one hundred thirty-four".