45391320898560 has 3520 divisors, whose sum is σ = 207931912860672. Its totient is φ = 9214221090816.

The previous prime is 45391320898549. The next prime is 45391320898663. The reversal of 45391320898560 is 6589802319354.

45391320898560 is a `hidden beast` number, since 4 + 5 + 39 + 1 + 32 + 0 + 8 + 9 + 8 + 560 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 134692346712 + ... + 134692347048.

Almost surely, 2^{45391320898560} is an apocalyptic number.

45391320898560 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 45391320898560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103965956430336).

45391320898560 is an abundant number, since it is smaller than the sum of its proper divisors (162540591962112).

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

45391320898560 is a wasteful number, since it uses less digits than its factorization.

45391320898560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520 (or 493 counting only the distinct ones).

The product of its (nonzero) digits is 55987200, while the sum is 63.

The spelling of 45391320898560 in words is "forty-five trillion, three hundred ninety-one billion, three hundred twenty million, eight hundred ninety-eight thousand, five hundred sixty".