41378778 has 48 divisors (see below), whose sum is σ = 103783680. Its totient is φ = 11670048.

The previous prime is 41378761. The next prime is 41378783. The reversal of 41378778 is 87787314.

It is a happy number.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7876 + ... + 12032.

It is an arithmetic number, because the mean of its divisors is an integer number (2162160).

Almost surely, 2^41378778 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 41378778, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51891840).

41378778 is an abundant number, since it is smaller than the sum of its proper divisors (62404902).

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

41378778 is a wasteful number, since it uses less digits than its factorization.

41378778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4251 (or 4248 counting only the distinct ones).

The product of its digits is 263424, while the sum is 45.

The square root of 41378778 is about 6432.6338307104. The cubic root of 41378778 is about 345.8803477703.

The spelling of 41378778 in words is "forty-one million, three hundred seventy-eight thousand, seven hundred seventy-eight".