41378881 has 8 divisors (see below), whose sum is σ = 42472584. Its totient is φ = 40289280.

The previous prime is 41378873. The next prime is 41378891. The reversal of 41378881 is 18887314.

It can be written as a sum of positive squares in 4 ways, for example, as 16128256 + 25250625 = 4016^2 + 5025^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 41378881 - 2³ = 41378873 is a prime.

It is a super-2 number, since 2×41378881² = 3424423585624322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41378851) 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, 39541 + ... + 40573.

It is an arithmetic number, because the mean of its divisors is an integer number (5309073).

Almost surely, 2^41378881 is an apocalyptic number.

41378881 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

41378881 is a deficient number, since it is larger than the sum of its proper divisors (1093703).

41378881 is a wasteful number, since it uses less digits than its factorization.

41378881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2051.

The product of its digits is 43008, while the sum is 40.

The square root of 41378881 is about 6432.6418367573. The cubic root of 41378881 is about 345.8806347584.

The spelling of 41378881 in words is "forty-one million, three hundred seventy-eight thousand, eight hundred eighty-one".