2665213140480 has 640 divisors, whose sum is σ = 9450142580736. Its totient is φ = 640712540160.

The previous prime is 2665213140451. The next prime is 2665213140533. The reversal of 2665213140480 is 840413125662.

It is a tau number, because it is divible by the number of its divisors (640).

It is a super-2 number, since 2×2665213140480² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1298203134 + ... + 1298205186.

Almost surely, 2^{2665213140480} is an apocalyptic number.

2665213140480 is a gapful number since it is divisible by the number (20) 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 2665213140480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4725071290368).

2665213140480 is an abundant number, since it is smaller than the sum of its proper divisors (6784929440256).

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

2665213140480 is a wasteful number, since it uses less digits than its factorization.

2665213140480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2239 (or 2201 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 42.

The spelling of 2665213140480 in words is "two trillion, six hundred sixty-five billion, two hundred thirteen million, one hundred forty thousand, four hundred eighty".