40094178782 has 8 divisors (see below), whose sum is σ = 68732877936. Its totient is φ = 17183219472.

The previous prime is 40094178769. The next prime is 40094178797. The reversal of 40094178782 is 28787149004.

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

It is a self number, because there is not a number n which added to its sum of digits gives 40094178782.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1431934943 + ... + 1431934970.

It is an arithmetic number, because the mean of its divisors is an integer number (8591609742).

Almost surely, 2^40094178782 is an apocalyptic number.

40094178782 is a deficient number, since it is larger than the sum of its proper divisors (28638699154).

40094178782 is a wasteful number, since it uses less digits than its factorization.

40094178782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2863869922.

The product of its (nonzero) digits is 903168, while the sum is 50.

The spelling of 40094178782 in words is "forty billion, ninety-four million, one hundred seventy-eight thousand, seven hundred eighty-two".