38690284740140 has 576 divisors, whose sum is σ = 95362602894720. Its totient is φ = 13155631104000.

The previous prime is 38690284739971. The next prime is 38690284740179. The reversal of 38690284740140 is 4104748209683.

It is a happy number.

It is a super-2 number, since 2×38690284740140² (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 191 ways as a sum of consecutive naturals, for example, 122051371262 + ... + 122051371578.

It is an arithmetic number, because the mean of its divisors is an integer number (165560074470).

Almost surely, 2^{38690284740140} 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 38690284740140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47681301447360).

38690284740140 is an abundant number, since it is smaller than the sum of its proper divisors (56672318154580).

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

38690284740140 is a wasteful number, since it uses less digits than its factorization.

38690284740140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802 (or 789 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 56.

The spelling of 38690284740140 in words is "thirty-eight trillion, six hundred ninety billion, two hundred eighty-four million, seven hundred forty thousand, one hundred forty".