400006054 has 16 divisors (see below), whose sum is σ = 686009376. Its totient is φ = 171360000.

The previous prime is 400006037. The next prime is 400006099. The reversal of 400006054 is 450600004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42804 + ... + 51304.

It is an arithmetic number, because the mean of its divisors is an integer number (42875586).

Almost surely, 2^400006054 is an apocalyptic number.

400006054 is a deficient number, since it is larger than the sum of its proper divisors (286003322).

400006054 is a wasteful number, since it uses less digits than its factorization.

400006054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11871.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 400006054 is about 20000.1513494273. The cubic root of 400006054 is about 736.8100168971.

Adding to 400006054 its reverse (450600004), we get a palindrome (850606058).

The spelling of 400006054 in words is "four hundred million, six thousand, fifty-four".