400426233 has 8 divisors (see below), whose sum is σ = 534316608. Its totient is φ = 266743344.

The previous prime is 400426217. The next prime is 400426241. The reversal of 400426233 is 332624004.

It is a happy number.

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

It is not a de Polignac number, because 400426233 - 2⁴ = 400426217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (400426283) 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 7 ways as a sum of consecutive naturals, for example, 47310 + ... + 55127.

It is an arithmetic number, because the mean of its divisors is an integer number (66789576).

Almost surely, 2^400426233 is an apocalyptic number.

It is an amenable number.

400426233 is a deficient number, since it is larger than the sum of its proper divisors (133890375).

400426233 is a wasteful number, since it uses less digits than its factorization.

400426233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103743.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 400426233 is about 20010.6529878462. The cubic root of 400426233 is about 737.0679161251.

The spelling of 400426233 in words is "four hundred million, four hundred twenty-six thousand, two hundred thirty-three".