41781406 has 8 divisors (see below), whose sum is σ = 63376560. Its totient is φ = 20655888.

The previous prime is 41781391. The next prime is 41781407. The reversal of 41781406 is 60418714.

41781406 = 255² + 256² + ... + 521².

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41781407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117186 + ... + 117541.

It is an arithmetic number, because the mean of its divisors is an integer number (7922070).

Almost surely, 2^41781406 is an apocalyptic number.

41781406 is a deficient number, since it is larger than the sum of its proper divisors (21595154).

41781406 is a wasteful number, since it uses less digits than its factorization.

41781406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234818.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 41781406 is about 6463.8538040398. The cubic root of 41781406 is about 346.9985687611.

The spelling of 41781406 in words is "forty-one million, seven hundred eighty-one thousand, four hundred six".