43854046457 has 16 divisors (see below), whose sum is σ = 48040608000. Its totient is φ = 39784017024.

The previous prime is 43854046451. The next prime is 43854046477. The reversal of 43854046457 is 75464045834.

It is a cyclic number.

It is not a de Polignac number, because 43854046457 - 2²⁸ = 43585611001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43854046451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5648144 + ... + 5655902.

It is an arithmetic number, because the mean of its divisors is an integer number (3002538000).

Almost surely, 2^43854046457 is an apocalyptic number.

It is an amenable number.

43854046457 is a deficient number, since it is larger than the sum of its proper divisors (4186561543).

43854046457 is a wasteful number, since it uses less digits than its factorization.

43854046457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15200.

The product of its (nonzero) digits is 6451200, while the sum is 50.

The spelling of 43854046457 in words is "forty-three billion, eight hundred fifty-four million, forty-six thousand, four hundred fifty-seven".