40748678812 has 24 divisors (see below), whose sum is σ = 72428114304. Its totient is φ = 20055382512.

The previous prime is 40748678809. The next prime is 40748678851. The reversal of 40748678812 is 21887684704.

It is a congruent number.

It is an unprimeable number.

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, 310743 + ... + 421969.

It is an arithmetic number, because the mean of its divisors is an integer number (3017838096).

Almost surely, 2^40748678812 is an apocalyptic number.

It is an amenable number.

40748678812 is a deficient number, since it is larger than the sum of its proper divisors (31679435492).

40748678812 is a wasteful number, since it uses less digits than its factorization.

40748678812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112665 (or 112663 counting only the distinct ones).

The product of its (nonzero) digits is 4816896, while the sum is 55.

The spelling of 40748678812 in words is "forty billion, seven hundred forty-eight million, six hundred seventy-eight thousand, eight hundred twelve".