40010043511443 has 16 divisors (see below), whose sum is σ = 54143464037760. Its totient is φ = 26275000304256.

The previous prime is 40010043511313. The next prime is 40010043511453. The reversal of 40010043511443 is 34411534001004.

It is not a de Polignac number, because 40010043511443 - 2³² = 40005748544147 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40010043511443.

It is not an unprimeable number, because it can be changed into a prime (40010043511453) 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, 21332596 + ... + 23132222.

It is an arithmetic number, because the mean of its divisors is an integer number (3383966502360).

Almost surely, 2^{40010043511443} is an apocalyptic number.

40010043511443 is a deficient number, since it is larger than the sum of its proper divisors (14133420526317).

40010043511443 is a wasteful number, since it uses less digits than its factorization.

40010043511443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1910306.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 40010043511443 its reverse (34411534001004), we get a palindrome (74421577512447).

The spelling of 40010043511443 in words is "forty trillion, ten billion, forty-three million, five hundred eleven thousand, four hundred forty-three".