41402440 has 16 divisors (see below), whose sum is σ = 93155580. Its totient is φ = 16560960.

The previous prime is 41402423. The next prime is 41402447. The reversal of 41402440 is 4420414.

It can be written as a sum of positive squares in 2 ways, for example, as 41396356 + 6084 = 6434^2 + 78^2 .

It is not an unprimeable number, because it can be changed into a prime (41402447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 517491 + ... + 517570.

Almost surely, 2^41402440 is an apocalyptic number.

41402440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

41402440 is an abundant number, since it is smaller than the sum of its proper divisors (51753140).

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

41402440 is a wasteful number, since it uses less digits than its factorization.

41402440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035072 (or 1035068 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 41402440 is about 6434.4727833755. The cubic root of 41402440 is about 345.9462645008.

Adding to 41402440 its reverse (4420414), we get a palindrome (45822854).

The spelling of 41402440 in words is "forty-one million, four hundred two thousand, four hundred forty".