400315434 has 8 divisors (see below), whose sum is σ = 800630880. Its totient is φ = 133438476.

The previous prime is 400315387. The next prime is 400315457. The reversal of 400315434 is 434513004.

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

400315434 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33359614 + ... + 33359625.

It is an arithmetic number, because the mean of its divisors is an integer number (100078860).

Almost surely, 2^400315434 is an apocalyptic number.

400315434 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.

400315434 is a wasteful number, since it uses less digits than its factorization.

400315434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66719244.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 400315434 is about 20007.8842959469. The cubic root of 400315434 is about 736.9999269718. Note that the first 4 decimals are identical.

Adding to 400315434 its reverse (434513004), we get a palindrome (834828438).

The spelling of 400315434 in words is "four hundred million, three hundred fifteen thousand, four hundred thirty-four".