40260131 has 8 divisors (see below), whose sum is σ = 43021440. Its totient is φ = 37542528.

The previous prime is 40260127. The next prime is 40260133. The reversal of 40260131 is 13106204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40260131 - 2² = 40260127 is a prime.

It is a super-2 number, since 2×40260131² = 3241756296274322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40260133) 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 7 ways as a sum of consecutive naturals, for example, 9011 + ... + 12716.

It is an arithmetic number, because the mean of its divisors is an integer number (5377680).

Almost surely, 2^40260131 is an apocalyptic number.

40260131 is a deficient number, since it is larger than the sum of its proper divisors (2761309).

40260131 is a wasteful number, since it uses less digits than its factorization.

40260131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21853.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 40260131 is about 6345.0871546418. The cubic root of 40260131 is about 342.7349509426.

Adding to 40260131 its reverse (13106204), we get a palindrome (53366335).

The spelling of 40260131 in words is "forty million, two hundred sixty thousand, one hundred thirty-one".