40131141621 has 8 divisors (see below), whose sum is σ = 54306818784. Its totient is φ = 26354779440.

The previous prime is 40131141581. The next prime is 40131141643. The reversal of 40131141621 is 12614113104.

It is a happy number.

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

It is not a de Polignac number, because 40131141621 - 2⁷ = 40131141493 is a prime.

It is a super-2 number, since 2×40131141621² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40131141591 and 40131141600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40131142621) 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 7 ways as a sum of consecutive naturals, for example, 99828510 + ... + 99828911.

It is an arithmetic number, because the mean of its divisors is an integer number (6788352348).

Almost surely, 2^40131141621 is an apocalyptic number.

It is an amenable number.

40131141621 is a deficient number, since it is larger than the sum of its proper divisors (14175677163).

40131141621 is a wasteful number, since it uses less digits than its factorization.

40131141621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199657491.

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 40131141621 its reverse (12614113104), we get a palindrome (52745254725).

The spelling of 40131141621 in words is "forty billion, one hundred thirty-one million, one hundred forty-one thousand, six hundred twenty-one".