40549382 has 12 divisors (see below), whose sum is σ = 64087380. Its totient is φ = 19189008.

The previous prime is 40549381. The next prime is 40549423. The reversal of 40549382 is 28394504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40549381) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38738 + ... + 39770.

It is an arithmetic number, because the mean of its divisors is an integer number (5340615).

Almost surely, 2^40549382 is an apocalyptic number.

40549382 is a deficient number, since it is larger than the sum of its proper divisors (23537998).

40549382 is an equidigital number, since it uses as much as digits as its factorization.

40549382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2087 (or 1054 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 40549382 is about 6367.8396650670. The cubic root of 40549382 is about 343.5537920725.

The spelling of 40549382 in words is "forty million, five hundred forty-nine thousand, three hundred eighty-two".