400271044 has 12 divisors (see below), whose sum is σ = 701325100. Its totient is φ = 199892448.

The previous prime is 400271041. The next prime is 400271051. The reversal of 400271044 is 440172004.

It can be written as a sum of positive squares in 2 ways, for example, as 168013444 + 232257600 = 12962^2 + 15240^2 .

It is not an unprimeable number, because it can be changed into a prime (400271041) 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 3 ways as a sum of consecutive naturals, for example, 57039 + ... + 63670.

Almost surely, 2^400271044 is an apocalyptic number.

It is an amenable number.

400271044 is a deficient number, since it is larger than the sum of its proper divisors (301054056).

400271044 is a wasteful number, since it uses less digits than its factorization.

400271044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121542 (or 121540 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 400271044 is about 20006.7749525005. The cubic root of 400271044 is about 736.9726845913.

The spelling of 400271044 in words is "four hundred million, two hundred seventy-one thousand, forty-four".