40030522543 has 4 divisors (see below), whose sum is σ = 43669660968. Its totient is φ = 36391384120.

The previous prime is 40030522537. The next prime is 40030522561. The reversal of 40030522543 is 34522503004.

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

It is a cyclic number.

It is not a de Polignac number, because 40030522543 - 2²⁵ = 39996968111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40030522513) 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, 1819569196 + ... + 1819569217.

It is an arithmetic number, because the mean of its divisors is an integer number (10917415242).

Almost surely, 2^40030522543 is an apocalyptic number.

40030522543 is a deficient number, since it is larger than the sum of its proper divisors (3639138425).

40030522543 is a wasteful number, since it uses less digits than its factorization.

40030522543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3639138424.

The product of its (nonzero) digits is 14400, while the sum is 28.

The spelling of 40030522543 in words is "forty billion, thirty million, five hundred twenty-two thousand, five hundred forty-three".