41965640 has 16 divisors (see below), whose sum is σ = 94422780. Its totient is φ = 16786240.

The previous prime is 41965633. The next prime is 41965643. The reversal of 41965640 is 4656914.

It can be written as a sum of positive squares in 2 ways, for example, as 41964484 + 1156 = 6478^2 + 34^2 .

It is a super-2 number, since 2×41965640² = 3522229881219200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 41965640.

It is not an unprimeable number, because it can be changed into a prime (41965643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 524531 + ... + 524610.

Almost surely, 2^41965640 is an apocalyptic number.

41965640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

41965640 is an abundant number, since it is smaller than the sum of its proper divisors (52457140).

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

41965640 is a wasteful number, since it uses less digits than its factorization.

41965640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049152 (or 1049148 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 41965640 is about 6478.0892244550. The cubic root of 41965640 is about 347.5078479328.

The spelling of 41965640 in words is "forty-one million, nine hundred sixty-five thousand, six hundred forty".