40985748 has 36 divisors (see below), whose sum is σ = 105562548. Its totient is φ = 13403520.

The previous prime is 40985741. The next prime is 40985767. The reversal of 40985748 is 84758904.

It can be written as a sum of positive squares in 2 ways, for example, as 29615364 + 11370384 = 5442^2 + 3372^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40985741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8833 + ... + 12648.

It is an arithmetic number, because the mean of its divisors is an integer number (2932293).

Almost surely, 2^40985748 is an apocalyptic number.

It is an amenable number.

40985748 is an abundant number, since it is smaller than the sum of its proper divisors (64576800).

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

40985748 is a wasteful number, since it uses less digits than its factorization.

40985748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21544 (or 21539 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 40985748 is about 6402.0112464756. The cubic root of 40985748 is about 344.7817649427.

The spelling of 40985748 in words is "forty million, nine hundred eighty-five thousand, seven hundred forty-eight".