400540513022231 has 8 divisors (see below), whose sum is σ = 421638616673280. Its totient is φ = 379444111773048.

The previous prime is 400540513022131. The next prime is 400540513022267. The reversal of 400540513022231 is 132220315045004.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-400540513022231 is a prime.

It is a super-2 number, since 2×400540513022231² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400540513022131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 425117501 + ... + 426058646.

It is an arithmetic number, because the mean of its divisors is an integer number (52704827084160).

Almost surely, 2^{400540513022231} is an apocalyptic number.

400540513022231 is a deficient number, since it is larger than the sum of its proper divisors (21098103651049).

400540513022231 is a wasteful number, since it uses less digits than its factorization.

400540513022231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851200933.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 400540513022231 its reverse (132220315045004), we get a palindrome (532760828067235).

The spelling of 400540513022231 in words is "four hundred trillion, five hundred forty billion, five hundred thirteen million, twenty-two thousand, two hundred thirty-one".