40655622626 has 8 divisors (see below), whose sum is σ = 60984989100. Its totient is φ = 20327292928.

The previous prime is 40655622619. The next prime is 40655622691. The reversal of 40655622626 is 62622655604.

40655622626 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 39980402401 + 675220225 = 199951^2 + 25985^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×40655622626² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152351 + ... + 323298.

Almost surely, 2^40655622626 is an apocalyptic number.

40655622626 is a deficient number, since it is larger than the sum of its proper divisors (20329366474).

40655622626 is a wasteful number, since it uses less digits than its factorization.

40655622626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518388.

The product of its (nonzero) digits is 1036800, while the sum is 44.

The spelling of 40655622626 in words is "forty billion, six hundred fifty-five million, six hundred twenty-two thousand, six hundred twenty-six".