400011001024 has 14 divisors (see below), whose sum is σ = 793771830284. Its totient is φ = 200005500480.

The previous prime is 400011001009. The next prime is 400011001051. The reversal of 400011001024 is 420100110004.

It is a junction number, because it is equal to n+sod(n) for n = 400011000995 and 400011001013.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3125085882 + ... + 3125086009.

Almost surely, 2^400011001024 is an apocalyptic number.

It is an amenable number.

400011001024 is a deficient number, since it is larger than the sum of its proper divisors (393760829260).

400011001024 is an equidigital number, since it uses as much as digits as its factorization.

400011001024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6250171903 (or 6250171893 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 400011001024 its reverse (420100110004), we get a palindrome (820111111028).

The spelling of 400011001024 in words is "four hundred billion, eleven million, one thousand, twenty-four".