40348479999 has 8 divisors (see below), whose sum is σ = 54095200432. Its totient is φ = 26750373120.

The previous prime is 40348479991. The next prime is 40348480031. The reversal of 40348479999 is 99997484304.

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

It is not a de Polignac number, because 40348479999 - 2³ = 40348479991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40348479991) 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, 37152754 + ... + 37153839.

It is an arithmetic number, because the mean of its divisors is an integer number (6761900054).

Almost surely, 2^40348479999 is an apocalyptic number.

40348479999 is a deficient number, since it is larger than the sum of its proper divisors (13746720433).

40348479999 is a wasteful number, since it uses less digits than its factorization.

40348479999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74306777.

The product of its (nonzero) digits is 70543872, while the sum is 66.

The spelling of 40348479999 in words is "forty billion, three hundred forty-eight million, four hundred seventy-nine thousand, nine hundred ninety-nine".