40326131 has 8 divisors (see below), whose sum is σ = 41764800. Its totient is φ = 38910312.

The previous prime is 40326119. The next prime is 40326157. The reversal of 40326131 is 13162304.

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

It is a cyclic number.

It is not a de Polignac number, because 40326131 - 2⁶ = 40326067 is a prime.

It is a super-2 number, since 2×40326131² = 3252393682858322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40326031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2081 + ... + 9218.

It is an arithmetic number, because the mean of its divisors is an integer number (5220600).

Almost surely, 2^40326131 is an apocalyptic number.

40326131 is a deficient number, since it is larger than the sum of its proper divisors (1438669).

40326131 is a wasteful number, since it uses less digits than its factorization.

40326131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11425.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 40326131 is about 6350.2858990757. The cubic root of 40326131 is about 342.9221349429.

Adding to 40326131 its reverse (13162304), we get a palindrome (53488435).

The spelling of 40326131 in words is "forty million, three hundred twenty-six thousand, one hundred thirty-one".