401040443804 has 48 divisors (see below), whose sum is σ = 942304828416. Its totient is φ = 144230328000.

The previous prime is 401040443773. The next prime is 401040443833. The reversal of 401040443804 is 408344040104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50075972 + ... + 50083979.

It is an arithmetic number, because the mean of its divisors is an integer number (19631350592).

Almost surely, 2^401040443804 is an apocalyptic number.

401040443804 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

401040443804 is an abundant number, since it is smaller than the sum of its proper divisors (541264384612).

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

401040443804 is a wasteful number, since it uses less digits than its factorization.

401040443804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100159986 (or 100159984 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 401040443804 its reverse (408344040104), we get a palindrome (809384483908).

The spelling of 401040443804 in words is "four hundred one billion, forty million, four hundred forty-three thousand, eight hundred four".