400301134431 has 8 divisors (see below), whose sum is σ = 582256195584. Its totient is φ = 242606748120.

The previous prime is 400301134361. The next prime is 400301134463. The reversal of 400301134431 is 134431103004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 400301134431 - 2¹⁸ = 400300872287 is a prime.

It is a super-2 number, since 2×400301134431² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400301134931) 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 7 ways as a sum of consecutive naturals, for example, 6065168671 + ... + 6065168736.

It is an arithmetic number, because the mean of its divisors is an integer number (72782024448).

Almost surely, 2^400301134431 is an apocalyptic number.

400301134431 is a deficient number, since it is larger than the sum of its proper divisors (181955061153).

400301134431 is a wasteful number, since it uses less digits than its factorization.

400301134431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12130337421.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 400301134431 its reverse (134431103004), we get a palindrome (534732237435).

The spelling of 400301134431 in words is "four hundred billion, three hundred one million, one hundred thirty-four thousand, four hundred thirty-one".