40920794 has 20 divisors (see below), whose sum is σ = 65203914. Its totient is φ = 19260072.

The previous prime is 40920791. The next prime is 40920917. The reversal of 40920794 is 49702904.

40920794 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 37662769 + 3258025 = 6137^2 + 1805^2 .

It is a super-2 number, since 2×40920794² = 3349022763180872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40920791) 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 9 ways as a sum of consecutive naturals, for example, 260564 + ... + 260720.

Almost surely, 2^40920794 is an apocalyptic number.

40920794 is a deficient number, since it is larger than the sum of its proper divisors (24283120).

40920794 is an frugal number, since it uses more digits than its factorization.

40920794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 40920794 is about 6396.9362979476. The cubic root of 40920794 is about 344.5995325266.

It can be divided in two parts, 40920 and 794, that added together give a palindrome (41714).

The spelling of 40920794 in words is "forty million, nine hundred twenty thousand, seven hundred ninety-four".