40200261 has 4 divisors (see below), whose sum is σ = 53600352. Its totient is φ = 26800172.

The previous prime is 40200253. The next prime is 40200269. The reversal of 40200261 is 16200204.

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 an interprime number because it is at equal distance from previous prime (40200253) and next prime (40200269).

It is a cyclic number.

It is not a de Polignac number, because 40200261 - 2³ = 40200253 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40200261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40200269) 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 3 ways as a sum of consecutive naturals, for example, 6700041 + ... + 6700046.

It is an arithmetic number, because the mean of its divisors is an integer number (13400088).

Almost surely, 2^40200261 is an apocalyptic number.

It is an amenable number.

40200261 is a deficient number, since it is larger than the sum of its proper divisors (13400091).

40200261 is a wasteful number, since it uses less digits than its factorization.

40200261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13400090.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 40200261 is about 6340.3675760953. The cubic root of 40200261 is about 342.5649753298.

Adding to 40200261 its reverse (16200204), we get a palindrome (56400465).

The spelling of 40200261 in words is "forty million, two hundred thousand, two hundred sixty-one".