40120699308 has 24 divisors (see below), whose sum is σ = 93618275520. Its totient is φ = 13373093520.

The previous prime is 40120699301. The next prime is 40120699351. The reversal of 40120699308 is 80399602104.

It is a self number, because there is not a number n which added to its sum of digits gives 40120699308.

It is not an unprimeable number, because it can be changed into a prime (40120699301) 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, 526123 + ... + 597533.

It is an arithmetic number, because the mean of its divisors is an integer number (3900761480).

Almost surely, 2^40120699308 is an apocalyptic number.

It is an amenable number.

40120699308 is an abundant number, since it is smaller than the sum of its proper divisors (53497576212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40120699308 is a wasteful number, since it uses less digits than its factorization.

40120699308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118237 (or 118235 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The spelling of 40120699308 in words is "forty billion, one hundred twenty million, six hundred ninety-nine thousand, three hundred eight".