400534310445 has 8 divisors (see below), whose sum is σ = 640854896736. Its totient is φ = 213618298896.

The previous prime is 400534310441. The next prime is 400534310453. The reversal of 400534310445 is 544013435004.

It is a happy number.

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

It is not a de Polignac number, because 400534310445 - 2² = 400534310441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400534310441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13351143667 + ... + 13351143696.

It is an arithmetic number, because the mean of its divisors is an integer number (80106862092).

Almost surely, 2^400534310445 is an apocalyptic number.

It is an amenable number.

400534310445 is a deficient number, since it is larger than the sum of its proper divisors (240320586291).

400534310445 is a wasteful number, since it uses less digits than its factorization.

400534310445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26702287371.

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 400534310445 its reverse (544013435004), we get a palindrome (944547745449).

The spelling of 400534310445 in words is "four hundred billion, five hundred thirty-four million, three hundred ten thousand, four hundred forty-five".