40779409037 has 8 divisors (see below), whose sum is σ = 40823532600. Its totient is φ = 40735309824.

The previous prime is 40779409031. The next prime is 40779409049. The reversal of 40779409037 is 73090497704.

It can be written as a sum of positive squares in 4 ways, for example, as 769008361 + 40010400676 = 27731^2 + 200026^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 40779409037 - 2⁶ = 40779408973 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 (40779409031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7319789 + ... + 7325357.

It is an arithmetic number, because the mean of its divisors is an integer number (5102941575).

Almost surely, 2^40779409037 is an apocalyptic number.

It is an amenable number.

40779409037 is a deficient number, since it is larger than the sum of its proper divisors (44123563).

40779409037 is a wasteful number, since it uses less digits than its factorization.

40779409037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12175.

The product of its (nonzero) digits is 1333584, while the sum is 50.

The spelling of 40779409037 in words is "forty billion, seven hundred seventy-nine million, four hundred nine thousand, thirty-seven".