400000044435 has 16 divisors (see below), whose sum is σ = 640620852480. Its totient is φ = 213126429920.

The previous prime is 400000044427. The next prime is 400000044523. The reversal of 400000044435 is 534440000004.

It is not a de Polignac number, because 400000044435 - 2³ = 400000044427 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12916965 + ... + 12947894.

It is an arithmetic number, because the mean of its divisors is an integer number (40038803280).

Almost surely, 2^400000044435 is an apocalyptic number.

400000044435 is a deficient number, since it is larger than the sum of its proper divisors (240620808045).

400000044435 is a wasteful number, since it uses less digits than its factorization.

400000044435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25865898.

The product of its (nonzero) digits is 3840, while the sum is 24.

Adding to 400000044435 its reverse (534440000004), we get a palindrome (934440044439).

The spelling of 400000044435 in words is "four hundred billion, forty-four thousand, four hundred thirty-five".