38781035400252 has 96 divisors (see below), whose sum is σ = 94654793286144. Its totient is φ = 12334681497600.

The previous prime is 38781035400223. The next prime is 38781035400269. The reversal of 38781035400252 is 25200453018783.

38781035400252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 31 ways as a sum of consecutive naturals, for example, 433161252 + ... + 433250772.

It is an arithmetic number, because the mean of its divisors is an integer number (985987430064).

Almost surely, 2^{38781035400252} 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 38781035400252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47327396643072).

38781035400252 is an abundant number, since it is smaller than the sum of its proper divisors (55873757885892).

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

38781035400252 is a wasteful number, since it uses less digits than its factorization.

38781035400252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93379 (or 93377 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 48.

The spelling of 38781035400252 in words is "thirty-eight trillion, seven hundred eighty-one billion, thirty-five million, four hundred thousand, two hundred fifty-two".