400133814 has 8 divisors (see below), whose sum is σ = 800267640. Its totient is φ = 133377936.

The previous prime is 400133813. The next prime is 400133857. The reversal of 400133814 is 418331004.

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

400133814 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400133813) 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, 33344479 + ... + 33344490.

It is an arithmetic number, because the mean of its divisors is an integer number (100033455).

Almost surely, 2^400133814 is an apocalyptic number.

400133814 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

400133814 is a wasteful number, since it uses less digits than its factorization.

400133814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66688974.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 400133814 is about 20003.3450702626. The cubic root of 400133814 is about 736.8884530662. Note that the first 3 decimals are identical.

Adding to 400133814 its reverse (418331004), we get a palindrome (818464818).

The spelling of 400133814 in words is "four hundred million, one hundred thirty-three thousand, eight hundred fourteen".