45535503440 has 80 divisors (see below), whose sum is σ = 121145103360. Its totient is φ = 15592719360.

The previous prime is 45535503421. The next prime is 45535503467. The reversal of 45535503440 is 4430553554.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 45535503394 and 45535503403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 402785 + ... + 503295.

It is an arithmetic number, because the mean of its divisors is an integer number (1514313792).

Almost surely, 2^45535503440 is an apocalyptic number.

45535503440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45535503440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60572551680).

45535503440 is an abundant number, since it is smaller than the sum of its proper divisors (75609599920).

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

45535503440 is a wasteful number, since it uses less digits than its factorization.

45535503440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101340 (or 101334 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 38.

The spelling of 45535503440 in words is "forty-five billion, five hundred thirty-five million, five hundred three thousand, four hundred forty".