400471141 has 4 divisors (see below), whose sum is σ = 457681312. Its totient is φ = 343260972.

The previous prime is 400471133. The next prime is 400471153. The reversal of 400471141 is 141174004.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 400471141 - 2³ = 400471133 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 (400471241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28605075 + ... + 28605088.

It is an arithmetic number, because the mean of its divisors is an integer number (114420328).

Almost surely, 2^400471141 is an apocalyptic number.

It is an amenable number.

400471141 is a deficient number, since it is larger than the sum of its proper divisors (57210171).

400471141 is an equidigital number, since it uses as much as digits as its factorization.

400471141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57210170.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 400471141 is about 20011.7750586998. The cubic root of 400471141 is about 737.0954692721.

The spelling of 400471141 in words is "four hundred million, four hundred seventy-one thousand, one hundred forty-one".