38520383355 has 32 divisors (see below), whose sum is σ = 68543032320. Its totient is φ = 20525499360.

The previous prime is 38520383333. The next prime is 38520383359. The reversal of 38520383355 is 55338302583.

It is not a de Polignac number, because 38520383355 - 2¹⁶ = 38520317819 is a prime.

It is a super-2 number, since 2×38520383355² (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 self number, because there is not a number n which added to its sum of digits gives 38520383355.

It is not an unprimeable number, because it can be changed into a prime (38520383359) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19560 + ... + 278250.

It is an arithmetic number, because the mean of its divisors is an integer number (2141969760).

Almost surely, 2^38520383355 is an apocalyptic number.

38520383355 is a deficient number, since it is larger than the sum of its proper divisors (30022648965).

38520383355 is a wasteful number, since it uses less digits than its factorization.

38520383355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259808 (or 259802 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 45.

It can be divided in two parts, 38520 and 383355, that added together give a cube (421875 = 75³).

The spelling of 38520383355 in words is "thirty-eight billion, five hundred twenty million, three hundred eighty-three thousand, three hundred fifty-five".