400341341403 has 16 divisors (see below), whose sum is σ = 593613619200. Its totient is φ = 266662326600.

The previous prime is 400341341399. The next prime is 400341341467. The reversal of 400341341403 is 304143143004.

It is not a de Polignac number, because 400341341403 - 2² = 400341341399 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (400341341473) 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, 6410043 + ... + 6472196.

It is an arithmetic number, because the mean of its divisors is an integer number (37100851200).

Almost surely, 2^400341341403 is an apocalyptic number.

400341341403 is a deficient number, since it is larger than the sum of its proper divisors (193272277797).

400341341403 is a wasteful number, since it uses less digits than its factorization.

400341341403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12883399 (or 12883393 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 400341341403 its reverse (304143143004), we get a palindrome (704484484407).

The spelling of 400341341403 in words is "four hundred billion, three hundred forty-one million, three hundred forty-one thousand, four hundred three".