40043632226 has 16 divisors (see below), whose sum is σ = 68490919224. Its totient is φ = 17394518784.

The previous prime is 40043632217. The next prime is 40043632241. The reversal of 40043632226 is 62223634004.

It can be written as a sum of positive squares in 4 ways, for example, as 39610950625 + 432681601 = 199025^2 + 20801^2 .

It is a super-2 number, since 2×40043632226² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40043632192 and 40043632201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45297785 + ... + 45298668.

Almost surely, 2^40043632226 is an apocalyptic number.

40043632226 is a deficient number, since it is larger than the sum of its proper divisors (28447286998).

40043632226 is a wasteful number, since it uses less digits than its factorization.

40043632226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90596485.

The product of its (nonzero) digits is 41472, while the sum is 32.

The spelling of 40043632226 in words is "forty billion, forty-three million, six hundred thirty-two thousand, two hundred twenty-six".