38111933140 has 24 divisors (see below), whose sum is σ = 84743005032. Its totient is φ = 14348021760.

The previous prime is 38111933117. The next prime is 38111933159. The reversal of 38111933140 is 4133911183.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3278936644 + 34832996496 = 57262^2 + 186636^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 38111933096 and 38111933105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56046621 + ... + 56047300.

It is an arithmetic number, because the mean of its divisors is an integer number (3530958543).

Almost surely, 2^38111933140 is an apocalyptic number.

It is an amenable number.

38111933140 is an abundant number, since it is smaller than the sum of its proper divisors (46631071892).

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

38111933140 is a wasteful number, since it uses less digits than its factorization.

38111933140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112093947 (or 112093945 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The spelling of 38111933140 in words is "thirty-eight billion, one hundred eleven million, nine hundred thirty-three thousand, one hundred forty".