38515540100 has 72 divisors (see below), whose sum is σ = 87255248640. Its totient is φ = 14729172480.

The previous prime is 38515540061. The next prime is 38515540103. The reversal of 38515540100 is 104551583.

It is not an unprimeable number, because it can be changed into a prime (38515540103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9011564 + ... + 9015836.

Almost surely, 2^38515540100 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 38515540100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43627624320).

38515540100 is an abundant number, since it is smaller than the sum of its proper divisors (48739708540).

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

38515540100 is a wasteful number, since it uses less digits than its factorization.

38515540100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8229 (or 8222 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 32.

The spelling of 38515540100 in words is "thirty-eight billion, five hundred fifteen million, five hundred forty thousand, one hundred".