40784048 has 10 divisors (see below), whose sum is σ = 79019124. Its totient is φ = 20392016.

The previous prime is 40784041. The next prime is 40784057. The reversal of 40784048 is 84048704.

It is a junction number, because it is equal to n+sod(n) for n = 40783999 and 40784017.

It is not an unprimeable number, because it can be changed into a prime (40784041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1274486 + ... + 1274517.

Almost surely, 2^40784048 is an apocalyptic number.

It is an amenable number.

40784048 is a deficient number, since it is larger than the sum of its proper divisors (38235076).

40784048 is a wasteful number, since it uses less digits than its factorization.

40784048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2549011 (or 2549005 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 35.

The square root of 40784048 is about 6386.2389557548. The cubic root of 40784048 is about 344.2152519773.

The spelling of 40784048 in words is "forty million, seven hundred eighty-four thousand, forty-eight".