38734214428 has 144 divisors (see below), whose sum is σ = 88495110144. Its totient is φ = 14687326080.

The previous prime is 38734214353. The next prime is 38734214429. The reversal of 38734214428 is 82441243783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38734214429) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8449425 + ... + 8454007.

It is an arithmetic number, because the mean of its divisors is an integer number (614549376).

Almost surely, 2^38734214428 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 38734214428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44247555072).

38734214428 is an abundant number, since it is smaller than the sum of its proper divisors (49760895716).

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

38734214428 is a wasteful number, since it uses less digits than its factorization.

38734214428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4752 (or 4743 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 46.

The spelling of 38734214428 in words is "thirty-eight billion, seven hundred thirty-four million, two hundred fourteen thousand, four hundred twenty-eight".