5465535440640 has 1152 divisors, whose sum is σ = 20238486847488. Its totient is φ = 1244151152640.

The previous prime is 5465535440639. The next prime is 5465535440669. The reversal of 5465535440640 is 460445355645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 19312845939 + ... + 19312846221.

It is an arithmetic number, because the mean of its divisors is an integer number (17568130944).

Almost surely, 2^{5465535440640} 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 5465535440640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10119243423744).

5465535440640 is an abundant number, since it is smaller than the sum of its proper divisors (14772951406848).

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

5465535440640 is a wasteful number, since it uses less digits than its factorization.

5465535440640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637 (or 623 counting only the distinct ones).

The product of its (nonzero) digits is 17280000, while the sum is 51.

The spelling of 5465535440640 in words is "five trillion, four hundred sixty-five billion, five hundred thirty-five million, four hundred forty thousand, six hundred forty".