38148805215 has 24 divisors (see below), whose sum is σ = 68999580000. Its totient is φ = 19461418944.

The previous prime is 38148805187. The next prime is 38148805217. The reversal of 38148805215 is 51250884183.

38148805215 is a `hidden beast` number, since 3 + 8 + 1 + 48 + 80 + 521 + 5 = 666.

38148805215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38148805215 - 2¹⁰ = 38148804191 is a prime.

It is a super-2 number, since 2×38148805215² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38148805217) 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, 18428340 + ... + 18430409.

It is an arithmetic number, because the mean of its divisors is an integer number (2874982500).

Almost surely, 2^38148805215 is an apocalyptic number.

38148805215 is a deficient number, since it is larger than the sum of its proper divisors (30850774785).

38148805215 is a wasteful number, since it uses less digits than its factorization.

38148805215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36858783 (or 36858780 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 45.

The spelling of 38148805215 in words is "thirty-eight billion, one hundred forty-eight million, eight hundred five thousand, two hundred fifteen".