45440105440 has 48 divisors (see below), whose sum is σ = 109377783648. Its totient is φ = 17833094656.

The previous prime is 45440105429. The next prime is 45440105479. The reversal of 45440105440 is 4450104454.

45440105440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2670772 + ... + 2687731.

It is an arithmetic number, because the mean of its divisors is an integer number (2278703826).

Almost surely, 2^45440105440 is an apocalyptic number.

45440105440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45440105440 is an abundant number, since it is smaller than the sum of its proper divisors (63937678208).

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

45440105440 is a wasteful number, since it uses less digits than its factorization.

45440105440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5358571 (or 5358563 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 31.

Adding to 45440105440 its reverse (4450104454), we get a palindrome (49890209894).

The spelling of 45440105440 in words is "forty-five billion, four hundred forty million, one hundred five thousand, four hundred forty".