541440043 has 4 divisors (see below), whose sum is σ = 543804640. Its totient is φ = 539075448.

The previous prime is 541440037. The next prime is 541440049. The reversal of 541440043 is 340044145.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (541440037) and next prime (541440049).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-541440043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (541440049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1181955 + ... + 1182412.

It is an arithmetic number, because the mean of its divisors is an integer number (135951160).

Almost surely, 2^541440043 is an apocalyptic number.

541440043 is a deficient number, since it is larger than the sum of its proper divisors (2364597).

541440043 is a wasteful number, since it uses less digits than its factorization.

541440043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2364596.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 541440043 is about 23268.8642395799. The cubic root of 541440043 is about 815.0485087867.

Adding to 541440043 its reverse (340044145), we get a palindrome (881484188).

The spelling of 541440043 in words is "five hundred forty-one million, four hundred forty thousand, forty-three".