40621132091 has 8 divisors (see below), whose sum is σ = 41406711264. Its totient is φ = 39841482240.

The previous prime is 40621132081. The next prime is 40621132147. The reversal of 40621132091 is 19023112604.

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 40621132091 - 2¹⁴ = 40621115707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40621132081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1468496 + ... + 1495901.

It is an arithmetic number, because the mean of its divisors is an integer number (5175838908).

Almost surely, 2^40621132091 is an apocalyptic number.

40621132091 is a deficient number, since it is larger than the sum of its proper divisors (785579173).

40621132091 is a wasteful number, since it uses less digits than its factorization.

40621132091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2964661.

The product of its (nonzero) digits is 2592, while the sum is 29.

Adding to 40621132091 its reverse (19023112604), we get a palindrome (59644244695).

The spelling of 40621132091 in words is "forty billion, six hundred twenty-one million, one hundred thirty-two thousand, ninety-one".