40061043 has 18 divisors (see below), whose sum is σ = 63606452. Its totient is φ = 24278760.

The previous prime is 40061023. The next prime is 40061069. The reversal of 40061043 is 34016004.

It is not a de Polignac number, because 40061043 - 2¹⁰ = 40060019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40061023) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 17305 + ... + 19482.

Almost surely, 2^40061043 is an apocalyptic number.

40061043 is a deficient number, since it is larger than the sum of its proper divisors (23545409).

40061043 is a wasteful number, since it uses less digits than its factorization.

40061043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36815 (or 36801 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 40061043 is about 6329.3793534595. The cubic root of 40061043 is about 342.1690710160.

Adding to 40061043 its reverse (34016004), we get a palindrome (74077047).

The spelling of 40061043 in words is "forty million, sixty-one thousand, forty-three".