40132635266421 has 12 divisors (see below), whose sum is σ = 57971736313920. Its totient is φ = 26753994364200.

The previous prime is 40132635266419. The next prime is 40132635266453. The reversal of 40132635266421 is 12466253623104.

40132635266421 is a `hidden beast` number, since 4 + 0 + 1 + 3 + 2 + 63 + 526 + 64 + 2 + 1 = 666.

It is not a de Polignac number, because 40132635266421 - 2¹ = 40132635266419 is a prime.

It is a super-2 number, since 2×40132635266421² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40132635266621) 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 11 ways as a sum of consecutive naturals, for example, 91085805 + ... + 91525346.

It is an arithmetic number, because the mean of its divisors is an integer number (4830978026160).

Almost surely, 2^{40132635266421} is an apocalyptic number.

It is an amenable number.

40132635266421 is a deficient number, since it is larger than the sum of its proper divisors (17839101047499).

40132635266421 is a wasteful number, since it uses less digits than its factorization.

40132635266421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182635576 (or 182635573 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 45.

Adding to 40132635266421 its reverse (12466253623104), we get a palindrome (52598888889525).

The spelling of 40132635266421 in words is "forty trillion, one hundred thirty-two billion, six hundred thirty-five million, two hundred sixty-six thousand, four hundred twenty-one".