40772266 has 4 divisors (see below), whose sum is σ = 61158402. Its totient is φ = 20386132.

The previous prime is 40772227. The next prime is 40772267. The reversal of 40772266 is 66227704.

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., 26822041 + 13950225 = 5179^2 + 3735^2 .

It is a super-3 number, since 3×40772266³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (40772267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10193065 + ... + 10193068.

Almost surely, 2^40772266 is an apocalyptic number.

40772266 is a deficient number, since it is larger than the sum of its proper divisors (20386136).

40772266 is a wasteful number, since it uses less digits than its factorization.

40772266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20386135.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 40772266 is about 6385.3164369513. The cubic root of 40772266 is about 344.1821022950.

The spelling of 40772266 in words is "forty million, seven hundred seventy-two thousand, two hundred sixty-six".