400414055552 has 32 divisors (see below), whose sum is σ = 911657003520. Its totient is φ = 171606023424.

The previous prime is 400414055551. The next prime is 400414055599. The reversal of 400414055552 is 255550414004.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (400414055551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223444448 + ... + 223446239.

It is an arithmetic number, because the mean of its divisors is an integer number (28489281360).

Almost surely, 2^400414055552 is an apocalyptic number.

It is an amenable number.

400414055552 is an abundant number, since it is smaller than the sum of its proper divisors (511242947968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

400414055552 is an equidigital number, since it uses as much as digits as its factorization.

400414055552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446890708 (or 446890696 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 35.

Adding to 400414055552 its reverse (255550414004), we get a palindrome (655964469556).

The spelling of 400414055552 in words is "four hundred billion, four hundred fourteen million, fifty-five thousand, five hundred fifty-two".