400000044434 has 4 divisors (see below), whose sum is σ = 600000066654. Its totient is φ = 200000022216.

The previous prime is 400000044427. The next prime is 400000044523. The reversal of 400000044434 is 434440000004.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 399999327025 + 717409 = 632455^2 + 847^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100000011107 + ... + 100000011110.

Almost surely, 2^400000044434 is an apocalyptic number.

400000044434 is a deficient number, since it is larger than the sum of its proper divisors (200000022220).

400000044434 is a wasteful number, since it uses less digits than its factorization.

400000044434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200000022219.

The product of its (nonzero) digits is 3072, while the sum is 23.

Adding to 400000044434 its reverse (434440000004), we get a palindrome (834440044438).

The spelling of 400000044434 in words is "four hundred billion, forty-four thousand, four hundred thirty-four".