400011002 has 16 divisors (see below), whose sum is σ = 603288000. Its totient is φ = 198918720.

The previous prime is 400010993. The next prime is 400011041. The reversal of 400011002 is 200110004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 453602 + ... + 454482.

It is an arithmetic number, because the mean of its divisors is an integer number (37705500).

Almost surely, 2^400011002 is an apocalyptic number.

400011002 is a deficient number, since it is larger than the sum of its proper divisors (203276998).

400011002 is a wasteful number, since it uses less digits than its factorization.

400011002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1861.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 400011002 is about 20000.2750481087. The cubic root of 400011002 is about 736.8130549519.

Adding to 400011002 its reverse (200110004), we get a palindrome (600121006).

The spelling of 400011002 in words is "four hundred million, eleven thousand, two".