38619171402 has 32 divisors (see below), whose sum is σ = 88856991744. Its totient is φ = 10960974000.

The previous prime is 38619171397. The next prime is 38619171433. The reversal of 38619171402 is 20417191683.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 15 ways as a sum of consecutive naturals, for example, 3038374 + ... + 3051057.

It is an arithmetic number, because the mean of its divisors is an integer number (2776780992).

Almost surely, 2^38619171402 is an apocalyptic number.

38619171402 is an abundant number, since it is smaller than the sum of its proper divisors (50237820342).

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

38619171402 is a wasteful number, since it uses less digits than its factorization.

38619171402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6089594.

The product of its (nonzero) digits is 72576, while the sum is 42.

The spelling of 38619171402 in words is "thirty-eight billion, six hundred nineteen million, one hundred seventy-one thousand, four hundred two".