42038038402 has 8 divisors (see below), whose sum is σ = 63681385212. Its totient is φ = 20810910000.

The previous prime is 42038038391. The next prime is 42038038421. The reversal of 42038038402 is 20483083024.

It can be written as a sum of positive squares in 2 ways, for example, as 40873113241 + 1164925161 = 202171^2 + 34131^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 104054349 + ... + 104054752.

Almost surely, 2^42038038402 is an apocalyptic number.

42038038402 is a deficient number, since it is larger than the sum of its proper divisors (21643346810).

42038038402 is a wasteful number, since it uses less digits than its factorization.

42038038402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208109204.

The product of its (nonzero) digits is 36864, while the sum is 34.

The spelling of 42038038402 in words is "forty-two billion, thirty-eight million, thirty-eight thousand, four hundred two".