400308493434 has 8 divisors (see below), whose sum is σ = 800616986880. Its totient is φ = 133436164476.

The previous prime is 400308493397. The next prime is 400308493457. The reversal of 400308493434 is 434394803004.

It is a happy number.

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

400308493434 is an admirable number.

It is a super-2 number, since 2×400308493434² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33359041114 + ... + 33359041125.

It is an arithmetic number, because the mean of its divisors is an integer number (100077123360).

Almost surely, 2^400308493434 is an apocalyptic number.

400308493434 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.

400308493434 is a wasteful number, since it uses less digits than its factorization.

400308493434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66718082244.

The product of its (nonzero) digits is 497664, while the sum is 42.

The spelling of 400308493434 in words is "four hundred billion, three hundred eight million, four hundred ninety-three thousand, four hundred thirty-four".