41000040 has 64 divisors (see below), whose sum is σ = 136670400. Its totient is φ = 10933056.

The previous prime is 41000021. The next prime is 41000051. The reversal of 41000040 is 4000014.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a junction number, because it is equal to n+sod(n) for n = 40999986 and 41000031.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17902 + ... + 20061.

It is an arithmetic number, because the mean of its divisors is an integer number (2135475).

Almost surely, 2^41000040 is an apocalyptic number.

41000040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

41000040 is an abundant number, since it is smaller than the sum of its proper divisors (95670360).

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

41000040 is a wasteful number, since it uses less digits than its factorization.

41000040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37983 (or 37973 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 41000040 is about 6403.1273609073. The cubic root of 41000040 is about 344.8218361754.

Adding to 41000040 its reverse (4000014), we get a palindrome (45000054).

The spelling of 41000040 in words is "forty-one million, forty", and thus it is an aban number and an uban number.