40779361 has 8 divisors (see below), whose sum is σ = 46658880. Its totient is φ = 34913328.

The previous prime is 40779331. The next prime is 40779367. The reversal of 40779361 is 16397704.

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 40779361 - 2⁵ = 40779329 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 40779361.

It is not an unprimeable number, because it can be changed into a prime (40779367) 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, 4275 + ... + 9991.

It is an arithmetic number, because the mean of its divisors is an integer number (5832360).

Almost surely, 2^40779361 is an apocalyptic number.

It is an amenable number.

40779361 is a deficient number, since it is larger than the sum of its proper divisors (5879519).

40779361 is a wasteful number, since it uses less digits than its factorization.

40779361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6743.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 40779361 is about 6385.8719843104. The cubic root of 40779361 is about 344.2020654597.

The spelling of 40779361 in words is "forty million, seven hundred seventy-nine thousand, three hundred sixty-one".