38705084250 has 128 divisors (see below), whose sum is σ = 115209768960. Its totient is φ = 8462203200.

The previous prime is 38705084179. The next prime is 38705084267. The reversal of 38705084250 is 5248050783.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 39520 + ... + 281019.

It is an arithmetic number, because the mean of its divisors is an integer number (900076320).

Almost surely, 2^38705084250 is an apocalyptic number.

38705084250 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 38705084250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57604884480).

38705084250 is an abundant number, since it is smaller than the sum of its proper divisors (76504684710).

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

38705084250 is a wasteful number, since it uses less digits than its factorization.

38705084250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320589 (or 320579 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 42.

The spelling of 38705084250 in words is "thirty-eight billion, seven hundred five million, eighty-four thousand, two hundred fifty".