40794816 has 56 divisors (see below), whose sum is σ = 108630720. Its totient is φ = 13510912.

The previous prime is 40794811. The next prime is 40794833. The reversal of 40794816 is 61849704.

It is a happy number.

40794816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (40794811) 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 7 ways as a sum of consecutive naturals, for example, 33775 + ... + 34961.

Almost surely, 2^40794816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40794816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54315360).

40794816 is an abundant number, since it is smaller than the sum of its proper divisors (67835904).

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

40794816 is a wasteful number, since it uses less digits than its factorization.

40794816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1381 (or 1371 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 40794816 is about 6387.0819628372. The cubic root of 40794816 is about 344.2455430989.

The spelling of 40794816 in words is "forty million, seven hundred ninety-four thousand, eight hundred sixteen".