45505454540 has 96 divisors (see below), whose sum is σ = 118119980160. Its totient is φ = 14339782656.

The previous prime is 45505454539. The next prime is 45505454581. The reversal of 45505454540 is 4545450554.

It is a super-2 number, since 2×45505454540² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 370406 + ... + 477714.

It is an arithmetic number, because the mean of its divisors is an integer number (1230416460).

Almost surely, 2^45505454540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45505454540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59059990080).

45505454540 is an abundant number, since it is smaller than the sum of its proper divisors (72614525620).

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

45505454540 is a wasteful number, since it uses less digits than its factorization.

45505454540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107571 (or 107569 counting only the distinct ones).

The product of its (nonzero) digits is 800000, while the sum is 41.

The spelling of 45505454540 in words is "forty-five billion, five hundred five million, four hundred fifty-four thousand, five hundred forty".