40501131 has 16 divisors (see below), whose sum is σ = 59017728. Its totient is φ = 24501600.

The previous prime is 40501129. The next prime is 40501163. The reversal of 40501131 is 13110504.

It is not a de Polignac number, because 40501131 - 2¹ = 40501129 is a prime.

It is a super-2 number, since 2×40501131² = 3280683224558322, 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 40501131.

It is not an unprimeable number, because it can be changed into a prime (40501231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32286 + ... + 33516.

It is an arithmetic number, because the mean of its divisors is an integer number (3688608).

Almost surely, 2^40501131 is an apocalyptic number.

40501131 is a deficient number, since it is larger than the sum of its proper divisors (18516597).

40501131 is a wasteful number, since it uses less digits than its factorization.

40501131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2242.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 40501131 is about 6364.0498898107. The cubic root of 40501131 is about 343.4174694568.

Adding to 40501131 its reverse (13110504), we get a palindrome (53611635).

The spelling of 40501131 in words is "forty million, five hundred one thousand, one hundred thirty-one".