38479949100 has 216 divisors, whose sum is σ = 125920773888. Its totient is φ = 10192392000.

The previous prime is 38479949047. The next prime is 38479949107. The reversal of 38479949100 is 194997483.

38479949100 is a `hidden beast` number, since 3 + 84 + 79 + 9 + 491 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (38479949107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3664057 + ... + 3674543.

Almost surely, 2^38479949100 is an apocalyptic number.

38479949100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38479949100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62960386944).

38479949100 is an abundant number, since it is smaller than the sum of its proper divisors (87440824788).

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

38479949100 is a wasteful number, since it uses less digits than its factorization.

38479949100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10667 (or 10648 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The spelling of 38479949100 in words is "thirty-eight billion, four hundred seventy-nine million, nine hundred forty-nine thousand, one hundred".