40339737779 has 8 divisors (see below), whose sum is σ = 44011332288. Its totient is φ = 36668867560.

The previous prime is 40339737761. The next prime is 40339737793. The reversal of 40339737779 is 97773793304.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40339737779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40339737479) 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, 61157 + ... + 290550.

It is an arithmetic number, because the mean of its divisors is an integer number (5501416536).

Almost surely, 2^40339737779 is an apocalyptic number.

40339737779 is a deficient number, since it is larger than the sum of its proper divisors (3671594509).

40339737779 is a wasteful number, since it uses less digits than its factorization.

40339737779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362145.

The product of its (nonzero) digits is 21003948, while the sum is 59.

The spelling of 40339737779 in words is "forty billion, three hundred thirty-nine million, seven hundred thirty-seven thousand, seven hundred seventy-nine".