40440701077 has 8 divisors (see below), whose sum is σ = 47467078016. Its totient is φ = 33726607632.

The previous prime is 40440701071. The next prime is 40440701087. The reversal of 40440701077 is 77010704404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40440701077 - 2¹¹ = 40440699029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40440701071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78070593 + ... + 78071110.

It is an arithmetic number, because the mean of its divisors is an integer number (5933384752).

Almost surely, 2^40440701077 is an apocalyptic number.

It is an amenable number.

40440701077 is a deficient number, since it is larger than the sum of its proper divisors (7026376939).

40440701077 is a wasteful number, since it uses less digits than its factorization.

40440701077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156141747.

The product of its (nonzero) digits is 21952, while the sum is 34.

The spelling of 40440701077 in words is "forty billion, four hundred forty million, seven hundred one thousand, seventy-seven".