40766949 has 8 divisors (see below), whose sum is σ = 60395520. Its totient is φ = 27177948.

The previous prime is 40766917. The next prime is 40766977. The reversal of 40766949 is 94966704.

It is not a de Polignac number, because 40766949 - 2⁵ = 40766917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40766749) 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, 754917 + ... + 754970.

It is an arithmetic number, because the mean of its divisors is an integer number (7549440).

Almost surely, 2^40766949 is an apocalyptic number.

It is an amenable number.

40766949 is a deficient number, since it is larger than the sum of its proper divisors (19628571).

40766949 is a wasteful number, since it uses less digits than its factorization.

40766949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1509896 (or 1509890 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 40766949 is about 6384.9000775267. The cubic root of 40766949 is about 344.1671403616.

It can be divided in two parts, 4076 and 6949, that added together give a square (11025 = 105²).

The spelling of 40766949 in words is "forty million, seven hundred sixty-six thousand, nine hundred forty-nine".