40777343999 has 8 divisors (see below), whose sum is σ = 46607754240. Its totient is φ = 34948202616.

The previous prime is 40777343941. The next prime is 40777344001. The reversal of 40777343999 is 99934377704.

It is a happy number.

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 40777343999 - 2¹² = 40777339903 is a prime.

It is a super-2 number, since 2×40777343999² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40777343939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247319 + ... + 377784.

It is an arithmetic number, because the mean of its divisors is an integer number (5825969280).

Almost surely, 2^40777343999 is an apocalyptic number.

40777343999 is a deficient number, since it is larger than the sum of its proper divisors (5830410241).

40777343999 is an equidigital number, since it uses as much as digits as its factorization.

40777343999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634429.

The product of its (nonzero) digits is 36006768, while the sum is 62.

The spelling of 40777343999 in words is "forty billion, seven hundred seventy-seven million, three hundred forty-three thousand, nine hundred ninety-nine".