401393203695 has 48 divisors (see below), whose sum is σ = 785170432800. Its totient is φ = 187904021760.

The previous prime is 401393203621. The next prime is 401393203711. The reversal of 401393203695 is 596302393104.

401393203695 is a `hidden beast` number, since 401 + 39 + 3 + 203 + 6 + 9 + 5 = 666.

It is not a de Polignac number, because 401393203695 - 2¹¹ = 401393201647 is a prime.

It is a super-2 number, since 2×401393203695² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 401393203695.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13966600 + ... + 13995309.

It is an arithmetic number, because the mean of its divisors is an integer number (16357717350).

Almost surely, 2^401393203695 is an apocalyptic number.

401393203695 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

401393203695 is a deficient number, since it is larger than the sum of its proper divisors (383777229105).

401393203695 is a wasteful number, since it uses less digits than its factorization.

401393203695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27961960 (or 27961957 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 45.

Adding to 401393203695 its reverse (596302393104), we get a palindrome (997695596799).

The spelling of 401393203695 in words is "four hundred one billion, three hundred ninety-three million, two hundred three thousand, six hundred ninety-five".