40203401 has 4 divisors (see below), whose sum is σ = 45946752. Its totient is φ = 34460052.

The previous prime is 40203391. The next prime is 40203403. The reversal of 40203401 is 10430204.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40203401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40203403) 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, 2871665 + ... + 2871678.

It is an arithmetic number, because the mean of its divisors is an integer number (11486688).

Almost surely, 2^40203401 is an apocalyptic number.

It is an amenable number.

40203401 is a deficient number, since it is larger than the sum of its proper divisors (5743351).

40203401 is an equidigital number, since it uses as much as digits as its factorization.

40203401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5743350.

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

The square root of 40203401 is about 6340.6151909732. The cubic root of 40203401 is about 342.5738942272.

Adding to 40203401 its reverse (10430204), we get a palindrome (50633605).

It can be divided in two parts, 40203 and 401, that added together give a palindrome (40604).

The spelling of 40203401 in words is "forty million, two hundred three thousand, four hundred one".