45555231340 has 12 divisors (see below), whose sum is σ = 95665985856. Its totient is φ = 18222092528.

The previous prime is 45555231311. The next prime is 45555231373. The reversal of 45555231340 is 4313255554.

It is a self number, because there is not a number n which added to its sum of digits gives 45555231340.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1138880764 + ... + 1138880803.

It is an arithmetic number, because the mean of its divisors is an integer number (7972165488).

Almost surely, 2^45555231340 is an apocalyptic number.

It is an amenable number.

45555231340 is an abundant number, since it is smaller than the sum of its proper divisors (50110754516).

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

45555231340 is a wasteful number, since it uses less digits than its factorization.

45555231340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2277761576 (or 2277761574 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 37.

Adding to 45555231340 its reverse (4313255554), we get a palindrome (49868486894).

The spelling of 45555231340 in words is "forty-five billion, five hundred fifty-five million, two hundred thirty-one thousand, three hundred forty".