40678452722 has 16 divisors (see below), whose sum is σ = 61444108440. Its totient is φ = 20197552512.

The previous prime is 40678452677. The next prime is 40678452769. The reversal of 40678452722 is 22725487604.

It is a Cunningham number, because it is equal to 201689²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 22111392601 + 18567060121 = 148699^2 + 136261^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56804 + ... + 290832.

Almost surely, 2^40678452722 is an apocalyptic number.

40678452722 is a deficient number, since it is larger than the sum of its proper divisors (20765655718).

40678452722 is a wasteful number, since it uses less digits than its factorization.

40678452722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234637.

The product of its (nonzero) digits is 1505280, while the sum is 47.

The spelling of 40678452722 in words is "forty billion, six hundred seventy-eight million, four hundred fifty-two thousand, seven hundred twenty-two".