40130763021 has 24 divisors (see below), whose sum is σ = 59075186456. Its totient is φ = 26244570240.

The previous prime is 40130763019. The next prime is 40130763041. The reversal of 40130763021 is 12036703104.

40130763021 is a `hidden beast` number, since 4 + 0 + 1 + 3 + 0 + 7 + 630 + 21 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 16281225 + 40114481796 = 4035^2 + 200286^2 .

It is not a de Polignac number, because 40130763021 - 2¹ = 40130763019 is a prime.

It is a super-2 number, since 2×40130763021² (a number of 22 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 (40130763011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 106791 + ... + 302763.

Almost surely, 2^40130763021 is an apocalyptic number.

It is an amenable number.

40130763021 is a deficient number, since it is larger than the sum of its proper divisors (18944423435).

40130763021 is a wasteful number, since it uses less digits than its factorization.

40130763021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196413 (or 196410 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The spelling of 40130763021 in words is "forty billion, one hundred thirty million, seven hundred sixty-three thousand, twenty-one".