40132045500021 has 6 divisors (see below), whose sum is σ = 57968510166710. Its totient is φ = 26754697000008.

The previous prime is 40132045499983. The next prime is 40132045500031. The reversal of 40132045500021 is 12000554023104.

40132045500021 is a `hidden beast` number, since 4 + 0 + 132 + 0 + 4 + 5 + 500 + 0 + 21 = 666.

It can be written as a sum of positive squares in only one way, i.e., 25019303724900 + 15112741775121 = 5001930^2 + 3887511^2 .

It is not a de Polignac number, because 40132045500021 - 2¹⁵ = 40132045467253 is a prime.

It is a super-2 number, since 2×40132045500021² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40132045500031) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2229558083326 + ... + 2229558083343.

Almost surely, 2^{40132045500021} is an apocalyptic number.

It is an amenable number.

40132045500021 is a deficient number, since it is larger than the sum of its proper divisors (17836464666689).

40132045500021 is a wasteful number, since it uses less digits than its factorization.

40132045500021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4459116166675 (or 4459116166672 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 40132045500021 its reverse (12000554023104), we get a palindrome (52132599523125).

The spelling of 40132045500021 in words is "forty trillion, one hundred thirty-two billion, forty-five million, five hundred thousand, twenty-one".