40549404 has 24 divisors (see below), whose sum is σ = 108131968. Its totient is φ = 11585520.

The previous prime is 40549381. The next prime is 40549423. The reversal of 40549404 is 40494504.

40549404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241282 + ... + 241449.

Almost surely, 2^40549404 is an apocalyptic number.

It is an amenable number.

40549404 is an abundant number, since it is smaller than the sum of its proper divisors (67582564).

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

40549404 is a wasteful number, since it uses less digits than its factorization.

40549404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482745 (or 482743 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 40549404 is about 6367.8413924971. The cubic root of 40549404 is about 343.5538542040.

The spelling of 40549404 in words is "forty million, five hundred forty-nine thousand, four hundred four".