38855790898740 has 192 divisors, whose sum is σ = 122008917676800. Its totient is φ = 10265204971008.

The previous prime is 38855790898721. The next prime is 38855790898811. The reversal of 38855790898740 is 4789809755883.

38855790898740 is a `hidden beast` number, since 38 + 8 + 5 + 579 + 0 + 8 + 9 + 8 + 7 + 4 + 0 = 666.

38855790898740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 38855790898740.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 530468559 + ... + 530541801.

It is an arithmetic number, because the mean of its divisors is an integer number (635463112900).

Almost surely, 2^{38855790898740} is an apocalyptic number.

38855790898740 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38855790898740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61004458838400).

38855790898740 is an abundant number, since it is smaller than the sum of its proper divisors (83153126778060).

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

38855790898740 is a wasteful number, since it uses less digits than its factorization.

38855790898740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82383 (or 82375 counting only the distinct ones).

The product of its (nonzero) digits is 4877107200, while the sum is 81.

The spelling of 38855790898740 in words is "thirty-eight trillion, eight hundred fifty-five billion, seven hundred ninety million, eight hundred ninety-eight thousand, seven hundred forty".