41007978 has 128 divisors (see below), whose sum is σ = 109486080. Its totient is φ = 11232000.

The previous prime is 41007977. The next prime is 41008027. The reversal of 41007978 is 87970014.

It is not an unprimeable number, because it can be changed into a prime (41007971) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 312973 + ... + 313103.

It is an arithmetic number, because the mean of its divisors is an integer number (855360).

Almost surely, 2^41007978 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 41007978, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54743040).

41007978 is an abundant number, since it is smaller than the sum of its proper divisors (68478102).

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

41007978 is a wasteful number, since it uses less digits than its factorization.

41007978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201 (or 195 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 41007978 is about 6403.7471842664. The cubic root of 41007978 is about 344.8440883415.

The spelling of 41007978 in words is "forty-one million, seven thousand, nine hundred seventy-eight".