400432341 has 8 divisors (see below), whose sum is σ = 535008064. Its totient is φ = 266405760.

The previous prime is 400432289. The next prime is 400432381. The reversal of 400432341 is 143234004.

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

It is not a de Polignac number, because 400432341 - 2¹¹ = 400430293 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400432381) 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, 135580 + ... + 138501.

It is an arithmetic number, because the mean of its divisors is an integer number (66876008).

Almost surely, 2^400432341 is an apocalyptic number.

It is an amenable number.

400432341 is a deficient number, since it is larger than the sum of its proper divisors (134575723).

400432341 is a wasteful number, since it uses less digits than its factorization.

400432341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274571.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 400432341 is about 20010.8056059720. The cubic root of 400432341 is about 737.0716637883.

Adding to 400432341 its reverse (143234004), we get a palindrome (543666345).

The spelling of 400432341 in words is "four hundred million, four hundred thirty-two thousand, three hundred forty-one".