41778740 has 24 divisors (see below), whose sum is σ = 87878952. Its totient is φ = 16684160.

The previous prime is 41778733. The next prime is 41778749. The reversal of 41778740 is 4787714.

It can be written as a sum of positive squares in 4 ways, for example, as 9265936 + 32512804 = 3044^2 + 5702^2 .

It is a junction number, because it is equal to n+sod(n) for n = 41778694 and 41778703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41778749) 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, 14630 + ... + 17250.

It is an arithmetic number, because the mean of its divisors is an integer number (3661623).

Almost surely, 2^41778740 is an apocalyptic number.

It is an amenable number.

41778740 is an abundant number, since it is smaller than the sum of its proper divisors (46100212).

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

41778740 is a wasteful number, since it uses less digits than its factorization.

41778740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3427 (or 3425 counting only the distinct ones).

The product of its (nonzero) digits is 43904, while the sum is 38.

The square root of 41778740 is about 6463.6475770265. The cubic root of 41778740 is about 346.9911881425.

The spelling of 41778740 in words is "forty-one million, seven hundred seventy-eight thousand, seven hundred forty".