40049577 has 24 divisors (see below), whose sum is σ = 59943936. Its totient is φ = 25746336.

The previous prime is 40049563. The next prime is 40049591. The reversal of 40049577 is 77594004.

It is a happy number.

40049577 is a `hidden beast` number, since 40 + 0 + 49 + 577 = 666.

40049577 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40049563) and next prime (40049591).

It is not a de Polignac number, because 40049577 - 2¹⁶ = 39984041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40049507) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 41818 + ... + 42764.

It is an arithmetic number, because the mean of its divisors is an integer number (2497664).

Almost surely, 2^40049577 is an apocalyptic number.

It is an amenable number.

40049577 is a deficient number, since it is larger than the sum of its proper divisors (19894359).

40049577 is a wasteful number, since it uses less digits than its factorization.

40049577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117 (or 1114 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 40049577 is about 6328.4735126253. The cubic root of 40049577 is about 342.1364234642.

The spelling of 40049577 in words is "forty million, forty-nine thousand, five hundred seventy-seven".