40736885 has 12 divisors (see below), whose sum is σ = 56865708. Its totient is φ = 27933696.

The previous prime is 40736881. The next prime is 40736911. The reversal of 40736885 is 58863704.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 16313521 + 24423364 = 4039^2 + 4942^2 .

It is not a de Polignac number, because 40736885 - 2² = 40736881 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40736881) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82892 + ... + 83381.

It is an arithmetic number, because the mean of its divisors is an integer number (4738809).

Almost surely, 2^40736885 is an apocalyptic number.

It is an amenable number.

40736885 is a deficient number, since it is larger than the sum of its proper divisors (16128823).

40736885 is a wasteful number, since it uses less digits than its factorization.

40736885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166292 (or 166285 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 40736885 is about 6382.5453386560. The cubic root of 40736885 is about 344.0825163732.

The spelling of 40736885 in words is "forty million, seven hundred thirty-six thousand, eight hundred eighty-five".