40101043 has 4 divisors (see below), whose sum is σ = 40153960. Its totient is φ = 40048128.

The previous prime is 40101031. The next prime is 40101049. The reversal of 40101043 is 34010104.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40101043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40101049) 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, 25305 + ... + 26842.

It is an arithmetic number, because the mean of its divisors is an integer number (10038490).

Almost surely, 2^40101043 is an apocalyptic number.

40101043 is a deficient number, since it is larger than the sum of its proper divisors (52917).

40101043 is an equidigital number, since it uses as much as digits as its factorization.

40101043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52916.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 40101043 is about 6332.5384325719. The cubic root of 40101043 is about 342.2829156977.

Adding to 40101043 its reverse (34010104), we get a palindrome (74111147).

The spelling of 40101043 in words is "forty million, one hundred one thousand, forty-three".