40201043 has 2 divisors, whose sum is σ = 40201044. Its totient is φ = 40201042.

The previous prime is 40200997. The next prime is 40201061. The reversal of 40201043 is 34010204.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40201043 is a prime.

It is a super-2 number, since 2×40201043² = 3232247716575698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40261043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20100521 + 20100522.

It is an arithmetic number, because the mean of its divisors is an integer number (20100522).

Almost surely, 2^40201043 is an apocalyptic number.

40201043 is a deficient number, since it is larger than the sum of its proper divisors (1).

40201043 is an equidigital number, since it uses as much as digits as its factorization.

40201043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 40201043 is about 6340.4292441443. The cubic root of 40201043 is about 342.5671965763.

Adding to 40201043 its reverse (34010204), we get a palindrome (74211247).

The spelling of 40201043 in words is "forty million, two hundred one thousand, forty-three".