2064611454540 has 192 divisors, whose sum is σ = 6311801760768. Its totient is φ = 502189056000.

The previous prime is 2064611454533. The next prime is 2064611454547. The reversal of 2064611454540 is 454541164602.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2064611454533) and next prime (2064611454547).

It is a super-2 number, since 2×2064611454540² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2064611454492 and 2064611454501.

It is not an unprimeable number, because it can be changed into a prime (2064611454547) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6151347 + ... + 6478293.

It is an arithmetic number, because the mean of its divisors is an integer number (32873967504).

Almost surely, 2^{2064611454540} is an apocalyptic number.

2064611454540 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 2064611454540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3155900880384).

2064611454540 is an abundant number, since it is smaller than the sum of its proper divisors (4247190306228).

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

2064611454540 is a wasteful number, since it uses less digits than its factorization.

2064611454540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327168 (or 327166 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 42.

The spelling of 2064611454540 in words is "two trillion, sixty-four billion, six hundred eleven million, four hundred fifty-four thousand, five hundred forty".