40549724 has 12 divisors (see below), whose sum is σ = 74697000. Its totient is φ = 19207728.

The previous prime is 40549699. The next prime is 40549727. The reversal of 40549724 is 42794504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40549727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266699 + ... + 266850.

It is an arithmetic number, because the mean of its divisors is an integer number (6224750).

Almost surely, 2^40549724 is an apocalyptic number.

It is an amenable number.

40549724 is a deficient number, since it is larger than the sum of its proper divisors (34147276).

40549724 is a wasteful number, since it uses less digits than its factorization.

40549724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533572 (or 533570 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 40549724 is about 6367.8665187015. The cubic root of 40549724 is about 343.5547579324.

The spelling of 40549724 in words is "forty million, five hundred forty-nine thousand, seven hundred twenty-four".