405162831801 has 128 divisors (see below), whose sum is σ = 720452468736. Its totient is φ = 196456181760.

The previous prime is 405162831797. The next prime is 405162831823. The reversal of 405162831801 is 108138261504.

It is not a de Polignac number, because 405162831801 - 2² = 405162831797 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 405162831801.

It is not an unprimeable number, because it can be changed into a prime (405162831401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 124548891 + ... + 124552143.

It is an arithmetic number, because the mean of its divisors is an integer number (5628534912).

Almost surely, 2^405162831801 is an apocalyptic number.

It is an amenable number.

405162831801 is a deficient number, since it is larger than the sum of its proper divisors (315289636935).

405162831801 is a wasteful number, since it uses less digits than its factorization.

405162831801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3911.

The product of its (nonzero) digits is 46080, while the sum is 39.

The spelling of 405162831801 in words is "four hundred five billion, one hundred sixty-two million, eight hundred thirty-one thousand, eight hundred one".