40780011 has 4 divisors (see below), whose sum is σ = 54373352. Its totient is φ = 27186672.

The previous prime is 40780009. The next prime is 40780049. The reversal of 40780011 is 11008704.

40780011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 40780011 - 2¹ = 40780009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40780011.

It is not an unprimeable number, because it can be changed into a prime (40780001) 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 3 ways as a sum of consecutive naturals, for example, 6796666 + ... + 6796671.

It is an arithmetic number, because the mean of its divisors is an integer number (13593338).

Almost surely, 2^40780011 is an apocalyptic number.

40780011 is a deficient number, since it is larger than the sum of its proper divisors (13593341).

40780011 is a wasteful number, since it uses less digits than its factorization.

40780011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13593340.

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 40780011 is about 6385.9228777053. The cubic root of 40780011 is about 344.2038942456.

Adding to 40780011 its reverse (11008704), we get a palindrome (51788715).

The spelling of 40780011 in words is "forty million, seven hundred eighty thousand, eleven".