40077071 has 4 divisors (see below), whose sum is σ = 40109592. Its totient is φ = 40044552.

The previous prime is 40077067. The next prime is 40077083. The reversal of 40077071 is 17077004.

40077071 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 a cyclic number.

It is not a de Polignac number, because 40077071 - 2² = 40077067 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 40077071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40071071) 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, 14336 + ... + 16901.

It is an arithmetic number, because the mean of its divisors is an integer number (10027398).

Almost surely, 2^40077071 is an apocalyptic number.

40077071 is a deficient number, since it is larger than the sum of its proper divisors (32521).

40077071 is a wasteful number, since it uses less digits than its factorization.

40077071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32520.

The product of its (nonzero) digits is 1372, while the sum is 26.

The square root of 40077071 is about 6330.6453857407. The cubic root of 40077071 is about 342.2146976749.

The spelling of 40077071 in words is "forty million, seventy-seven thousand, seventy-one".