41778049 has 4 divisors (see below), whose sum is σ = 43125760. Its totient is φ = 40430340.

The previous prime is 41778029. The next prime is 41778053. The reversal of 41778049 is 94087714.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 41778049 - 2⁹ = 41777537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41778029) 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, 673809 + ... + 673870.

It is an arithmetic number, because the mean of its divisors is an integer number (10781440).

Almost surely, 2^41778049 is an apocalyptic number.

It is an amenable number.

41778049 is a deficient number, since it is larger than the sum of its proper divisors (1347711).

41778049 is a wasteful number, since it uses less digits than its factorization.

41778049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1347710.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 41778049 is about 6463.5941240149. The cubic root of 41778049 is about 346.9892751103.

The spelling of 41778049 in words is "forty-one million, seven hundred seventy-eight thousand, forty-nine".