40402201 has 4 divisors (see below), whose sum is σ = 46173952. Its totient is φ = 34630452.

The previous prime is 40402177. The next prime is 40402253. The reversal of 40402201 is 10220404.

40402201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 40402201 - 2⁵ = 40402169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40402291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2885865 + ... + 2885878.

It is an arithmetic number, because the mean of its divisors is an integer number (11543488).

Almost surely, 2^40402201 is an apocalyptic number.

It is an amenable number.

40402201 is a deficient number, since it is larger than the sum of its proper divisors (5771751).

40402201 is an equidigital number, since it uses as much as digits as its factorization.

40402201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5771750.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 40402201 is about 6356.2725712480. The cubic root of 40402201 is about 343.1376255000.

Adding to 40402201 its reverse (10220404), we get a palindrome (50622605).

It can be divided in two parts, 4040 and 2201, that added together give a square (6241 = 79²).

The spelling of 40402201 in words is "forty million, four hundred two thousand, two hundred one".