45381278835 has 16 divisors (see below), whose sum is σ = 80677829280. Its totient is φ = 24203348640.

The previous prime is 45381278791. The next prime is 45381278837. The reversal of 45381278835 is 53887218354.

45381278835 is a `hidden beast` number, since 4 + 538 + 1 + 2 + 78 + 8 + 35 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-45381278835 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45381278837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168078676 + ... + 168078945.

It is an arithmetic number, because the mean of its divisors is an integer number (5042364330).

Almost surely, 2^45381278835 is an apocalyptic number.

45381278835 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

45381278835 is a deficient number, since it is larger than the sum of its proper divisors (35296550445).

45381278835 is a wasteful number, since it uses less digits than its factorization.

45381278835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336157635 (or 336157629 counting only the distinct ones).

The product of its digits is 6451200, while the sum is 54.

The spelling of 45381278835 in words is "forty-five billion, three hundred eighty-one million, two hundred seventy-eight thousand, eight hundred thirty-five".