400054213 has 16 divisors (see below), whose sum is σ = 435052800. Its totient is φ = 365682240.

The previous prime is 400054211. The next prime is 400054223. The reversal of 400054213 is 312450004.

It is a cyclic number.

It is not a de Polignac number, because 400054213 - 2¹ = 400054211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400054211) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 1028223 + ... + 1028611.

It is an arithmetic number, because the mean of its divisors is an integer number (27190800).

Almost surely, 2^400054213 is an apocalyptic number.

It is an amenable number.

400054213 is a deficient number, since it is larger than the sum of its proper divisors (34998587).

400054213 is a wasteful number, since it uses less digits than its factorization.

400054213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972.

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

The square root of 400054213 is about 20001.3552790805. The cubic root of 400054213 is about 736.8395852910.

The spelling of 400054213 in words is "four hundred million, fifty-four thousand, two hundred thirteen".