45425013440 has 28 divisors (see below), whose sum is σ = 108168314016. Its totient is φ = 18170005248.

The previous prime is 45425013407. The next prime is 45425013443. The reversal of 45425013440 is 4431052454.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 45425013397 and 45425013406.

It is not an unprimeable number, because it can be changed into a prime (45425013443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70976264 + ... + 70976903.

It is an arithmetic number, because the mean of its divisors is an integer number (3863154072).

Almost surely, 2^45425013440 is an apocalyptic number.

45425013440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45425013440 is an abundant number, since it is smaller than the sum of its proper divisors (62743300576).

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

45425013440 is a wasteful number, since it uses less digits than its factorization.

45425013440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141953184 (or 141953174 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 45425013440 its reverse (4431052454), we get a palindrome (49856065894).

The spelling of 45425013440 in words is "forty-five billion, four hundred twenty-five million, thirteen thousand, four hundred forty".