400432243115 has 8 divisors (see below), whose sum is σ = 480954345408. Its totient is φ = 320055358720.

The previous prime is 400432243103. The next prime is 400432243117. The reversal of 400432243115 is 511342234004.

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

It is not a de Polignac number, because 400432243115 - 2¹⁴ = 400432226731 is a prime.

It is a super-2 number, since 2×400432243115² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400432243117) 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, 36298406 + ... + 36309435.

It is an arithmetic number, because the mean of its divisors is an integer number (60119293176).

Almost surely, 2^400432243115 is an apocalyptic number.

400432243115 is a deficient number, since it is larger than the sum of its proper divisors (80522102293).

400432243115 is a wasteful number, since it uses less digits than its factorization.

400432243115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72608949.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 400432243115 its reverse (511342234004), we get a palindrome (911774477119).

The spelling of 400432243115 in words is "four hundred billion, four hundred thirty-two million, two hundred forty-three thousand, one hundred fifteen".