45440403513 has 16 divisors (see below), whose sum is σ = 61445117376. Its totient is φ = 29865024000.

The previous prime is 45440403473. The next prime is 45440403517. The reversal of 45440403513 is 31530404454.

It is a happy number.

It is not a de Polignac number, because 45440403513 - 2⁸ = 45440403257 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45440403517) 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, 446881 + ... + 539057.

It is an arithmetic number, because the mean of its divisors is an integer number (3840319836).

Almost surely, 2^45440403513 is an apocalyptic number.

It is an amenable number.

45440403513 is a deficient number, since it is larger than the sum of its proper divisors (16004713863).

45440403513 is a wasteful number, since it uses less digits than its factorization.

45440403513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94504.

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 45440403513 its reverse (31530404454), we get a palindrome (76970807967).

The spelling of 45440403513 in words is "forty-five billion, four hundred forty million, four hundred three thousand, five hundred thirteen".