38781110642802 has 192 divisors, whose sum is σ = 87932779683840. Its totient is φ = 11307711923200.

The previous prime is 38781110642777. The next prime is 38781110642837. The reversal of 38781110642802 is 20824601118783.

It is a happy number.

It is a super-2 number, since 2×38781110642802² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 35159664583 + ... + 35159665685.

It is an arithmetic number, because the mean of its divisors is an integer number (457983227520).

Almost surely, 2^{38781110642802} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38781110642802, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43966389841920).

38781110642802 is an abundant number, since it is smaller than the sum of its proper divisors (49151669041038).

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

38781110642802 is a wasteful number, since it uses less digits than its factorization.

38781110642802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2777 (or 2748 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 51.

The spelling of 38781110642802 in words is "thirty-eight trillion, seven hundred eighty-one billion, one hundred ten million, six hundred forty-two thousand, eight hundred two".