40616779 has 8 divisors (see below), whose sum is σ = 46845920. Its totient is φ = 34494336.

The previous prime is 40616777. The next prime is 40616803. The reversal of 40616779 is 97761604.

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 40616779 - 2¹ = 40616777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40616777) 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, 25854 + ... + 27379.

It is an arithmetic number, because the mean of its divisors is an integer number (5855740).

Almost surely, 2^40616779 is an apocalyptic number.

40616779 is a deficient number, since it is larger than the sum of its proper divisors (6229141).

40616779 is a wasteful number, since it uses less digits than its factorization.

40616779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53349.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 40616779 is about 6373.1294510625. The cubic root of 40616779 is about 343.7440266069.

The spelling of 40616779 in words is "forty million, six hundred sixteen thousand, seven hundred seventy-nine".