40543254344 has 8 divisors (see below), whose sum is σ = 76018601910. Its totient is φ = 20271627168.

The previous prime is 40543254343. The next prime is 40543254359. The reversal of 40543254344 is 44345234504.

It can be written as a sum of positive squares in only one way, i.e., 38833431844 + 1709822500 = 197062^2 + 41350^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 40543254298 and 40543254307.

It is not an unprimeable number, because it can be changed into a prime (40543254343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2533953389 + ... + 2533953404.

Almost surely, 2^40543254344 is an apocalyptic number.

It is an amenable number.

40543254344 is a deficient number, since it is larger than the sum of its proper divisors (35475347566).

40543254344 is a wasteful number, since it uses less digits than its factorization.

40543254344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5067906799 (or 5067906795 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 38.

Adding to 40543254344 its reverse (44345234504), we get a palindrome (84888488848).

The spelling of 40543254344 in words is "forty billion, five hundred forty-three million, two hundred fifty-four thousand, three hundred forty-four".