401056006 has 16 divisors (see below), whose sum is σ = 654542784. Its totient is φ = 183193344.

The previous prime is 401056003. The next prime is 401056031. The reversal of 401056006 is 600650104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401056001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76990 + ... + 82033.

It is an arithmetic number, because the mean of its divisors is an integer number (40908924).

Almost surely, 2^401056006 is an apocalyptic number.

401056006 is a deficient number, since it is larger than the sum of its proper divisors (253486778).

401056006 is a wasteful number, since it uses less digits than its factorization.

401056006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159135.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 401056006 is about 20026.3827487642. The cubic root of 401056006 is about 737.4541232020.

The spelling of 401056006 in words is "four hundred one million, fifty-six thousand, six".