40200531 has 12 divisors (see below), whose sum is σ = 62352072. Its totient is φ = 22971648.

The previous prime is 40200497. The next prime is 40200533. The reversal of 40200531 is 13500204.

40200531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40200531 - 2¹⁴ = 40184147 is a prime.

It is a super-2 number, since 2×40200531² = 3232165385363922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40200531.

It is not an unprimeable number, because it can be changed into a prime (40200533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136590 + ... + 136883.

It is an arithmetic number, because the mean of its divisors is an integer number (5196006).

Almost surely, 2^40200531 is an apocalyptic number.

40200531 is a deficient number, since it is larger than the sum of its proper divisors (22151541).

40200531 is a wasteful number, since it uses less digits than its factorization.

40200531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273490 (or 273483 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 40200531 is about 6340.3888682004. The cubic root of 40200531 is about 342.5657422596.

Adding to 40200531 its reverse (13500204), we get a palindrome (53700735).

The spelling of 40200531 in words is "forty million, two hundred thousand, five hundred thirty-one".