40263201 has 12 divisors (see below), whose sum is σ = 63445200. Its totient is φ = 24401880.

The previous prime is 40263173. The next prime is 40263211. The reversal of 40263201 is 10236204.

It is a happy number.

40263201 is a `hidden beast` number, since 402 + 63 + 201 = 666.

It is not a de Polignac number, because 40263201 - 2⁵ = 40263169 is a prime.

It is a super-2 number, since 2×40263201² = 3242250709532802, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40263211) 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, 203251 + ... + 203448.

It is an arithmetic number, because the mean of its divisors is an integer number (5287100).

Almost surely, 2^40263201 is an apocalyptic number.

It is an amenable number.

40263201 is a deficient number, since it is larger than the sum of its proper divisors (23181999).

40263201 is a wasteful number, since it uses less digits than its factorization.

40263201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406716 (or 406713 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 40263201 is about 6345.3290694810. The cubic root of 40263201 is about 342.7436623694.

Adding to 40263201 its reverse (10236204), we get a palindrome (50499405).

It can be divided in two parts, 4026 and 3201, that added together give a palindrome (7227).

The spelling of 40263201 in words is "forty million, two hundred sixty-three thousand, two hundred one".