40779307 has 8 divisors (see below), whose sum is σ = 42260400. Its totient is φ = 39303264.

The previous prime is 40779289. The next prime is 40779317. The reversal of 40779307 is 70397704.

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 40779307 - 2¹¹ = 40777259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40779317) 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, 24093 + ... + 25729.

It is an arithmetic number, because the mean of its divisors is an integer number (5282550).

Almost surely, 2^40779307 is an apocalyptic number.

40779307 is a deficient number, since it is larger than the sum of its proper divisors (1481093).

40779307 is a wasteful number, since it uses less digits than its factorization.

40779307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2525.

The product of its (nonzero) digits is 37044, while the sum is 37.

The square root of 40779307 is about 6385.8677562255. The cubic root of 40779307 is about 344.2019135289.

The spelling of 40779307 in words is "forty million, seven hundred seventy-nine thousand, three hundred seven".