38690842830 has 16 divisors (see below), whose sum is σ = 92858022864. Its totient is φ = 10317558080.

The previous prime is 38690842781. The next prime is 38690842837. The reversal of 38690842830 is 3824809683.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38690842837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 644847351 + ... + 644847410.

It is an arithmetic number, because the mean of its divisors is an integer number (5803626429).

Almost surely, 2^38690842830 is an apocalyptic number.

38690842830 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38690842830 is an abundant number, since it is smaller than the sum of its proper divisors (54167180034).

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

38690842830 is a wasteful number, since it uses less digits than its factorization.

38690842830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1289694771.

The product of its (nonzero) digits is 1990656, while the sum is 51.

The spelling of 38690842830 in words is "thirty-eight billion, six hundred ninety million, eight hundred forty-two thousand, eight hundred thirty".