40777785226 has 4 divisors (see below), whose sum is σ = 61166677842. Its totient is φ = 20388892612.

The previous prime is 40777785203. The next prime is 40777785229. The reversal of 40777785226 is 62258777704.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 39700961001 + 1076824225 = 199251^2 + 32815^2 .

It is not an unprimeable number, because it can be changed into a prime (40777785229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10194446305 + ... + 10194446308.

Almost surely, 2^40777785226 is an apocalyptic number.

40777785226 is a deficient number, since it is larger than the sum of its proper divisors (20388892616).

40777785226 is a wasteful number, since it uses less digits than its factorization.

40777785226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20388892615.

The product of its (nonzero) digits is 9219840, while the sum is 55.

The spelling of 40777785226 in words is "forty billion, seven hundred seventy-seven million, seven hundred eighty-five thousand, two hundred twenty-six".