400441207 has 8 divisors (see below), whose sum is σ = 427455360. Its totient is φ = 374020920.

The previous prime is 400441199. The next prime is 400441211. The reversal of 400441207 is 702144004.

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 400441207 - 2³ = 400441199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400441267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147073 + ... + 149770.

It is an arithmetic number, because the mean of its divisors is an integer number (53431920).

Almost surely, 2^400441207 is an apocalyptic number.

400441207 is a deficient number, since it is larger than the sum of its proper divisors (27014153).

400441207 is a wasteful number, since it uses less digits than its factorization.

400441207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296933.

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

The square root of 400441207 is about 20011.0271350573. The cubic root of 400441207 is about 737.0771035996.

The spelling of 400441207 in words is "four hundred million, four hundred forty-one thousand, two hundred seven".