40535677443 has 4 divisors (see below), whose sum is σ = 54047569928. Its totient is φ = 27023784960.

The previous prime is 40535677423. The next prime is 40535677447. The reversal of 40535677443 is 34477653504.

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

It is not a de Polignac number, because 40535677443 - 2⁸ = 40535677187 is a prime.

It is a super-2 number, since 2×40535677443² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40535677392 and 40535677401.

It is not an unprimeable number, because it can be changed into a prime (40535677447) 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, 6755946238 + ... + 6755946243.

It is an arithmetic number, because the mean of its divisors is an integer number (13511892482).

Almost surely, 2^40535677443 is an apocalyptic number.

40535677443 is a deficient number, since it is larger than the sum of its proper divisors (13511892485).

40535677443 is a wasteful number, since it uses less digits than its factorization.

40535677443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13511892484.

The product of its (nonzero) digits is 4233600, while the sum is 48.

The spelling of 40535677443 in words is "forty billion, five hundred thirty-five million, six hundred seventy-seven thousand, four hundred forty-three".