400320305431115 has 8 divisors (see below), whose sum is σ = 490605310486080. Its totient is φ = 313442281699072.

The previous prime is 400320305431063. The next prime is 400320305431121. The reversal of 400320305431115 is 511134503023004.

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

It is a cyclic number.

It is not a de Polignac number, because 400320305431115 - 2¹⁶ = 400320305365579 is a prime.

It is a super-2 number, since 2×400320305431115² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 851745330470 + ... + 851745330939.

It is an arithmetic number, because the mean of its divisors is an integer number (61325663810760).

Almost surely, 2^{400320305431115} is an apocalyptic number.

400320305431115 is a deficient number, since it is larger than the sum of its proper divisors (90285005054965).

400320305431115 is a wasteful number, since it uses less digits than its factorization.

400320305431115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1703490661461.

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 400320305431115 its reverse (511134503023004), we get a palindrome (911454808454119).

The spelling of 400320305431115 in words is "four hundred trillion, three hundred twenty billion, three hundred five million, four hundred thirty-one thousand, one hundred fifteen".