40052001 has 16 divisors (see below), whose sum is σ = 58518720. Its totient is φ = 24165120.

The previous prime is 40051967. The next prime is 40052009. The reversal of 40052001 is 10025004.

It is not a de Polignac number, because 40052001 - 2⁹ = 40051489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40052009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5085 + ... + 10293.

It is an arithmetic number, because the mean of its divisors is an integer number (3657420).

Almost surely, 2^40052001 is an apocalyptic number.

It is an amenable number.

40052001 is a deficient number, since it is larger than the sum of its proper divisors (18466719).

40052001 is a wasteful number, since it uses less digits than its factorization.

40052001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5456.

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 40052001 is about 6328.6650251060. The cubic root of 40052001 is about 342.1433259255.

Adding to 40052001 its reverse (10025004), we get a palindrome (50077005).

It can be divided in two parts, 4005 and 2001, that added together give a palindrome (6006).

The spelling of 40052001 in words is "forty million, fifty-two thousand, one".