42003756308 has 6 divisors (see below), whose sum is σ = 73506573546. Its totient is φ = 21001878152.

The previous prime is 42003756253. The next prime is 42003756329. The reversal of 42003756308 is 80365730024.

It can be written as a sum of positive squares in only one way, i.e., 36828680464 + 5175075844 = 191908^2 + 71938^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5250469535 + ... + 5250469542.

It is an arithmetic number, because the mean of its divisors is an integer number (12251095591).

Almost surely, 2^42003756308 is an apocalyptic number.

It is an amenable number.

42003756308 is a deficient number, since it is larger than the sum of its proper divisors (31502817238).

42003756308 is a wasteful number, since it uses less digits than its factorization.

42003756308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10500939081 (or 10500939079 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 42003756308 in words is "forty-two billion, three million, seven hundred fifty-six thousand, three hundred eight".