38190530780 has 72 divisors (see below), whose sum is σ = 84445090800. Its totient is φ = 14506348032.

The previous prime is 38190530723. The next prime is 38190530827. The reversal of 38190530780 is 8703509183.

It is a happy number.

It is a super-3 number, since 3×38190530780³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1457636 + ... + 1483604.

Almost surely, 2^38190530780 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38190530780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42222545400).

38190530780 is an abundant number, since it is smaller than the sum of its proper divisors (46254560020).

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

38190530780 is a wasteful number, since it uses less digits than its factorization.

38190530780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26163 (or 26138 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 44.

The spelling of 38190530780 in words is "thirty-eight billion, one hundred ninety million, five hundred thirty thousand, seven hundred eighty".