400301012442 has 8 divisors (see below), whose sum is σ = 800602024896. Its totient is φ = 133433670812.

The previous prime is 400301012437. The next prime is 400301012509. The reversal of 400301012442 is 244210103004.

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

400301012442 is an admirable number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 33358417698 + ... + 33358417709.

It is an arithmetic number, because the mean of its divisors is an integer number (100075253112).

Almost surely, 2^400301012442 is an apocalyptic number.

400301012442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

400301012442 is a wasteful number, since it uses less digits than its factorization.

400301012442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66716835412.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 400301012442 its reverse (244210103004), we get a palindrome (644511115446).

The spelling of 400301012442 in words is "four hundred billion, three hundred one million, twelve thousand, four hundred forty-two".