40187201 has 16 divisors (see below), whose sum is σ = 43804800. Its totient is φ = 36726528.

The previous prime is 40187183. The next prime is 40187239. The reversal of 40187201 is 10278104.

It is not a de Polignac number, because 40187201 - 2⁶ = 40187137 is a prime.

It is a super-2 number, since 2×40187201² = 3230022248428802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40187281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103115 + ... + 103503.

It is an arithmetic number, because the mean of its divisors is an integer number (2737800).

Almost surely, 2^40187201 is an apocalyptic number.

It is an amenable number.

40187201 is a deficient number, since it is larger than the sum of its proper divisors (3617599).

40187201 is a wasteful number, since it uses less digits than its factorization.

40187201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 40187201 is about 6339.3375836912. The cubic root of 40187201 is about 342.5278745495.

The spelling of 40187201 in words is "forty million, one hundred eighty-seven thousand, two hundred one".