38724433100 has 72 divisors (see below), whose sum is σ = 86374607088. Its totient is φ = 15058656000.

The previous prime is 38724433087. The next prime is 38724433141. The reversal of 38724433100 is 133442783.

It is a super-2 number, since 2×38724433100² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5365094 + ... + 5372306.

Almost surely, 2^38724433100 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 38724433100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43187303544).

38724433100 is an abundant number, since it is smaller than the sum of its proper divisors (47650173988).

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

38724433100 is a wasteful number, since it uses less digits than its factorization.

38724433100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8715 (or 8708 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 35.

Adding to 38724433100 its reverse (133442783), we get a palindrome (38857875883).

The spelling of 38724433100 in words is "thirty-eight billion, seven hundred twenty-four million, four hundred thirty-three thousand, one hundred".