43140402441 has 40 divisors (see below), whose sum is σ = 66717471744. Its totient is φ = 27762575040.

The previous prime is 43140402413. The next prime is 43140402463. The reversal of 43140402441 is 14420404134.

43140402441 is a `hidden beast` number, since 43 + 140 + 40 + 2 + 441 = 666.

It is not a de Polignac number, because 43140402441 - 2⁹ = 43140401929 is a prime.

It is a super-2 number, since 2×43140402441² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (43140402241) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 200296 + ... + 355526.

Almost surely, 2^43140402441 is an apocalyptic number.

It is an amenable number.

43140402441 is a deficient number, since it is larger than the sum of its proper divisors (23577069303).

43140402441 is a wasteful number, since it uses less digits than its factorization.

43140402441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155363 (or 155354 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 43140402441 its reverse (14420404134), we get a palindrome (57560806575).

The spelling of 43140402441 in words is "forty-three billion, one hundred forty million, four hundred two thousand, four hundred forty-one".