400011042304 has 160 divisors (see below), whose sum is σ = 884658646080. Its totient is φ = 179728023552.

The previous prime is 400011042289. The next prime is 400011042313. The reversal of 400011042304 is 403240110004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134727732 + ... + 134730700.

It is an arithmetic number, because the mean of its divisors is an integer number (5529116538).

Almost surely, 2^400011042304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 400011042304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (442329323040).

400011042304 is an abundant number, since it is smaller than the sum of its proper divisors (484647603776).

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

400011042304 is a wasteful number, since it uses less digits than its factorization.

400011042304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3700 (or 3684 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 400011042304 its reverse (403240110004), we get a palindrome (803251152308).

The spelling of 400011042304 in words is "four hundred billion, eleven million, forty-two thousand, three hundred four".