40049578 has 8 divisors (see below), whose sum is σ = 62686368. Its totient is φ = 19154124.

The previous prime is 40049563. The next prime is 40049591. The reversal of 40049578 is 87594004.

40049578 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 435276 + ... + 435367.

It is an arithmetic number, because the mean of its divisors is an integer number (7835796).

Almost surely, 2^40049578 is an apocalyptic number.

40049578 is a deficient number, since it is larger than the sum of its proper divisors (22636790).

40049578 is a wasteful number, since it uses less digits than its factorization.

40049578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870668.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 40049578 is about 6328.4735916333. The cubic root of 40049578 is about 342.1364263118.

The spelling of 40049578 in words is "forty million, forty-nine thousand, five hundred seventy-eight".