40070129338 has 8 divisors (see below), whose sum is σ = 60106302900. Its totient is φ = 20034695040.

The previous prime is 40070129303. The next prime is 40070129347. The reversal of 40070129338 is 83392107004.

It can be written as a sum of positive squares in 2 ways, for example, as 36300537729 + 3769591609 = 190527^2 + 61397^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 40070129297 and 40070129306.

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 in 3 ways as a sum of consecutive naturals, for example, 19863 + ... + 283786.

Almost surely, 2^40070129338 is an apocalyptic number.

40070129338 is a deficient number, since it is larger than the sum of its proper divisors (20036173562).

40070129338 is a wasteful number, since it uses less digits than its factorization.

40070129338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369632.

The product of its (nonzero) digits is 36288, while the sum is 37.

The spelling of 40070129338 in words is "forty billion, seventy million, one hundred twenty-nine thousand, three hundred thirty-eight".