40227786 has 16 divisors (see below), whose sum is σ = 89395200. Its totient is φ = 13409244.

The previous prime is 40227767. The next prime is 40227787. The reversal of 40227786 is 68772204.

It is a self number, because there is not a number n which added to its sum of digits gives 40227786.

It is not an unprimeable number, because it can be changed into a prime (40227787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372426 + ... + 372533.

It is an arithmetic number, because the mean of its divisors is an integer number (5587200).

Almost surely, 2^40227786 is an apocalyptic number.

40227786 is an abundant number, since it is smaller than the sum of its proper divisors (49167414).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40227786 is a wasteful number, since it uses less digits than its factorization.

40227786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744970 (or 744964 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 40227786 is about 6342.5378201474. The cubic root of 40227786 is about 342.6431419014.

The spelling of 40227786 in words is "forty million, two hundred twenty-seven thousand, seven hundred eighty-six".