41438571978 has 16 divisors (see below), whose sum is σ = 82950957216. Its totient is φ = 13800555120.

The previous prime is 41438571973. The next prime is 41438572099. The reversal of 41438571978 is 87917583414.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (41438571973) 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, 3068253 + ... + 3081728.

It is an arithmetic number, because the mean of its divisors is an integer number (5184434826).

Almost surely, 2^41438571978 is an apocalyptic number.

41438571978 is an abundant number, since it is smaller than the sum of its proper divisors (41512385238).

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

41438571978 is a wasteful number, since it uses less digits than its factorization.

41438571978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6151109.

The product of its digits is 6773760, while the sum is 57.

The spelling of 41438571978 in words is "forty-one billion, four hundred thirty-eight million, five hundred seventy-one thousand, nine hundred seventy-eight".