400011412215431 has 8 divisors (see below), whose sum is σ = 400056410754000. Its totient is φ = 399966414510208.

The previous prime is 400011412215427. The next prime is 400011412215433. The reversal of 400011412215431 is 134512214110004.

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 400011412215431 - 2² = 400011412215427 is a prime.

It is a super-2 number, since 2×400011412215431² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 400011412215394 and 400011412215403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400011412215433) 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, 1796990120 + ... + 1797212706.

It is an arithmetic number, because the mean of its divisors is an integer number (50007051344250).

Almost surely, 2^{400011412215431} is an apocalyptic number.

400011412215431 is a deficient number, since it is larger than the sum of its proper divisors (44998538569).

400011412215431 is a wasteful number, since it uses less digits than its factorization.

400011412215431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416673.

The product of its (nonzero) digits is 3840, while the sum is 29.

Adding to 400011412215431 its reverse (134512214110004), we get a palindrome (534523626325435).

The spelling of 400011412215431 in words is "four hundred trillion, eleven billion, four hundred twelve million, two hundred fifteen thousand, four hundred thirty-one".