40227764 has 6 divisors (see below), whose sum is σ = 70398594. Its totient is φ = 20113880.

The previous prime is 40227757. The next prime is 40227767. The reversal of 40227764 is 46772204.

It can be written as a sum of positive squares in only one way, i.e., 22165264 + 18062500 = 4708^2 + 4250^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40227764.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40227767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5028467 + ... + 5028474.

It is an arithmetic number, because the mean of its divisors is an integer number (11733099).

Almost surely, 2^40227764 is an apocalyptic number.

It is an amenable number.

40227764 is a deficient number, since it is larger than the sum of its proper divisors (30170830).

40227764 is a wasteful number, since it uses less digits than its factorization.

40227764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10056945 (or 10056943 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 40227764 is about 6342.5360858256. The cubic root of 40227764 is about 342.6430794391.

Adding to 40227764 its reverse (46772204), we get a palindrome (86999968).

The spelling of 40227764 in words is "forty million, two hundred twenty-seven thousand, seven hundred sixty-four".