40768226 has 4 divisors (see below), whose sum is σ = 61152342. Its totient is φ = 20384112.

The previous prime is 40768219. The next prime is 40768267. The reversal of 40768226 is 62286704.

It is a Cunningham number, because it is equal to 6385²+1.

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., 40768225 + 1 = 6385^2 + 1^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10192055 + ... + 10192058.

Almost surely, 2^40768226 is an apocalyptic number.

40768226 is a deficient number, since it is larger than the sum of its proper divisors (20384116).

40768226 is a wasteful number, since it uses less digits than its factorization.

40768226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20384115.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 40768226 is about 6385.0000783085. Note that the first 4 decimals coincide. The cubic root of 40768226 is about 344.1707339332.

The spelling of 40768226 in words is "forty million, seven hundred sixty-eight thousand, two hundred twenty-six".