400455113 has 8 divisors (see below), whose sum is σ = 415686600. Its totient is φ = 385318528.

The previous prime is 400455103. The next prime is 400455131. The reversal of 400455113 is 311554004.

It can be written as a sum of positive squares in 4 ways, for example, as 34421689 + 366033424 = 5867^2 + 19132^2 .

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 400455113 - 2²⁰ = 399406537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400455103) 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, 15068 + ... + 32061.

It is an arithmetic number, because the mean of its divisors is an integer number (51960825).

Almost surely, 2^400455113 is an apocalyptic number.

It is an amenable number.

400455113 is a deficient number, since it is larger than the sum of its proper divisors (15231487).

400455113 is a wasteful number, since it uses less digits than its factorization.

400455113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47451.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 400455113 is about 20011.3745904673. The cubic root of 400455113 is about 737.0856355849.

The spelling of 400455113 in words is "four hundred million, four hundred fifty-five thousand, one hundred thirteen".