40094949647 has 8 divisors (see below), whose sum is σ = 40239068736. Its totient is φ = 39950942112.

The previous prime is 40094949623. The next prime is 40094949649. The reversal of 40094949647 is 74694949004.

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 40094949647 - 2²² = 40090755343 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40094949592 and 40094949601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40094949649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 728873 + ... + 781949.

It is an arithmetic number, because the mean of its divisors is an integer number (5029883592).

Almost surely, 2^40094949647 is an apocalyptic number.

40094949647 is a deficient number, since it is larger than the sum of its proper divisors (144119089).

40094949647 is a wasteful number, since it uses less digits than its factorization.

40094949647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55777.

The product of its (nonzero) digits is 7838208, while the sum is 56.

The spelling of 40094949647 in words is "forty billion, ninety-four million, nine hundred forty-nine thousand, six hundred forty-seven".