400457027 has 8 divisors (see below), whose sum is σ = 414771840. Its totient is φ = 386176000.

The previous prime is 400457017. The next prime is 400457033. The reversal of 400457027 is 720754004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 400457027 - 2⁴ = 400457011 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400457017) by changing a digit.

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, 17027 + ... + 33027.

It is an arithmetic number, because the mean of its divisors is an integer number (51846480).

Almost surely, 2^400457027 is an apocalyptic number.

400457027 is a deficient number, since it is larger than the sum of its proper divisors (14314813).

400457027 is a wasteful number, since it uses less digits than its factorization.

400457027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16893.

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 400457027 is about 20011.4224132119. The cubic root of 400457027 is about 737.0868098985.

The spelling of 400457027 in words is "four hundred million, four hundred fifty-seven thousand, twenty-seven".