40045201 has 12 divisors (see below), whose sum is σ = 48191220. Its totient is φ = 33139680.

The previous prime is 40045199. The next prime is 40045241. The reversal of 40045201 is 10254004.

It can be written as a sum of positive squares in 2 ways, for example, as 29811600 + 10233601 = 5460^2 + 3199^2 .

It is not a de Polignac number, because 40045201 - 2¹ = 40045199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40045241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12670 + ... + 15511.

It is an arithmetic number, because the mean of its divisors is an integer number (4015935).

Almost surely, 2^40045201 is an apocalyptic number.

It is an amenable number.

40045201 is a deficient number, since it is larger than the sum of its proper divisors (8146019).

40045201 is a wasteful number, since it uses less digits than its factorization.

40045201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28224 (or 28217 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 40045201 is about 6328.1277641969. The cubic root of 40045201 is about 342.1239618801.

Adding to 40045201 its reverse (10254004), we get a palindrome (50299205).

The spelling of 40045201 in words is "forty million, forty-five thousand, two hundred one".