45013335332520 has 128 divisors (see below), whose sum is σ = 135628443792000. Its totient is φ = 11951307432960.

The previous prime is 45013335332489. The next prime is 45013335332573. The reversal of 45013335332520 is 2523353331054.

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, 50268066 + ... + 51155694.

It is an arithmetic number, because the mean of its divisors is an integer number (1059597217125).

Almost surely, 2^{45013335332520} is an apocalyptic number.

45013335332520 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 45013335332520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67814221896000).

45013335332520 is an abundant number, since it is smaller than the sum of its proper divisors (90615108459480).

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

45013335332520 is a wasteful number, since it uses less digits than its factorization.

45013335332520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889483 (or 889479 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 39.

Adding to 45013335332520 its reverse (2523353331054), we get a palindrome (47536688663574).

The spelling of 45013335332520 in words is "forty-five trillion, thirteen billion, three hundred thirty-five million, three hundred thirty-two thousand, five hundred twenty".