38856209402 has 8 divisors (see below), whose sum is σ = 58350775476. Its totient is φ = 19405950912.

The previous prime is 38856209401. The next prime is 38856209429. The reversal of 38856209402 is 20490265883.

It can be written as a sum of positive squares in 2 ways, for example, as 38675548921 + 180660481 = 196661^2 + 13441^2 .

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

It is not an unprimeable number, because it can be changed into a prime (38856209401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11074703 + ... + 11078210.

Almost surely, 2^38856209402 is an apocalyptic number.

38856209402 is a deficient number, since it is larger than the sum of its proper divisors (19494566074).

38856209402 is a wasteful number, since it uses less digits than its factorization.

38856209402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22153792.

The product of its (nonzero) digits is 829440, while the sum is 47.

The spelling of 38856209402 in words is "thirty-eight billion, eight hundred fifty-six million, two hundred nine thousand, four hundred two".