40779741 has 8 divisors (see below), whose sum is σ = 54429760. Its totient is φ = 27158112.

The previous prime is 40779727. The next prime is 40779743. The reversal of 40779741 is 14797704.

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

It is not a de Polignac number, because 40779741 - 2⁵ = 40779709 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 40779741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40779743) 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, 3481 + ... + 9678.

It is an arithmetic number, because the mean of its divisors is an integer number (6803720).

Almost surely, 2^40779741 is an apocalyptic number.

It is an amenable number.

40779741 is a deficient number, since it is larger than the sum of its proper divisors (13650019).

40779741 is a wasteful number, since it uses less digits than its factorization.

40779741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14195.

The product of its (nonzero) digits is 49392, while the sum is 39.

The square root of 40779741 is about 6385.9017374213. The cubic root of 40779741 is about 344.2031345984.

The spelling of 40779741 in words is "forty million, seven hundred seventy-nine thousand, seven hundred forty-one".