41778290 has 16 divisors (see below), whose sum is σ = 76434840. Its totient is φ = 16437120.

The previous prime is 41778271. The next prime is 41778293. The reversal of 41778290 is 9287714.

It can be written as a sum of positive squares in 4 ways, for example, as 23107249 + 18671041 = 4807^2 + 4321^2 .

It is not an unprimeable number, because it can be changed into a prime (41778293) 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, 33635 + ... + 34854.

Almost surely, 2^41778290 is an apocalyptic number.

41778290 is a deficient number, since it is larger than the sum of its proper divisors (34656550).

41778290 is a wasteful number, since it uses less digits than its factorization.

41778290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68557.

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 41778290 is about 6463.6127668665. The cubic root of 41778290 is about 346.9899423207.

The spelling of 41778290 in words is "forty-one million, seven hundred seventy-eight thousand, two hundred ninety".