41800978 has 4 divisors (see below), whose sum is σ = 62701470. Its totient is φ = 20900488.

The previous prime is 41800951. The next prime is 41800987. The reversal of 41800978 is 87900814.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 41563809 + 237169 = 6447^2 + 487^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10450243 + ... + 10450246.

Almost surely, 2^41800978 is an apocalyptic number.

41800978 is a deficient number, since it is larger than the sum of its proper divisors (20900492).

41800978 is a wasteful number, since it uses less digits than its factorization.

41800978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20900491.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 41800978 is about 6465.3675842909. The cubic root of 41800978 is about 347.0527427463.

It can be divided in two parts, 41800 and 978, that added together give a triangular number (42778 = T₂₉₂).

The spelling of 41800978 in words is "forty-one million, eight hundred thousand, nine hundred seventy-eight".