45440105439 has 16 divisors (see below), whose sum is σ = 60975661824. Its totient is φ = 30099081600.

The previous prime is 45440105429. The next prime is 45440105479. The reversal of 45440105439 is 93450104454.

It is not a de Polignac number, because 45440105439 - 2⁵ = 45440105407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45440105397 and 45440105406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45440105419) 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, 2062894 + ... + 2084804.

It is an arithmetic number, because the mean of its divisors is an integer number (3810978864).

Almost surely, 2^45440105439 is an apocalyptic number.

45440105439 is a deficient number, since it is larger than the sum of its proper divisors (15535556385).

45440105439 is a wasteful number, since it uses less digits than its factorization.

45440105439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26318.

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 45440105439 in words is "forty-five billion, four hundred forty million, one hundred five thousand, four hundred thirty-nine".