41041640 has 16 divisors (see below), whose sum is σ = 92343780. Its totient is φ = 16416640.

The previous prime is 41041633. The next prime is 41041667. The reversal of 41041640 is 4614014.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 40883236 + 158404 = 6394^2 + 398^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 512981 + ... + 513060.

Almost surely, 2^41041640 is an apocalyptic number.

41041640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

41041640 is an abundant number, since it is smaller than the sum of its proper divisors (51302140).

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

41041640 is a wasteful number, since it uses less digits than its factorization.

41041640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026052 (or 1026048 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 41041640 is about 6406.3749500010. The cubic root of 41041640 is about 344.9384193106.

Adding to 41041640 its reverse (4614014), we get a palindrome (45655654).

The spelling of 41041640 in words is "forty-one million, forty-one thousand, six hundred forty".