2145335664460 has 12 divisors (see below), whose sum is σ = 4505204895408. Its totient is φ = 858134265776.

The previous prime is 2145335664421. The next prime is 2145335664509. The reversal of 2145335664460 is 644665335412.

It is a super-2 number, since 2×2145335664460² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53633391592 + ... + 53633391631.

It is an arithmetic number, because the mean of its divisors is an integer number (375433741284).

Almost surely, 2^{2145335664460} is an apocalyptic number.

2145335664460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2145335664460 is an abundant number, since it is smaller than the sum of its proper divisors (2359869230948).

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

2145335664460 is a wasteful number, since it uses less digits than its factorization.

2145335664460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107266783232 (or 107266783230 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 49.

The spelling of 2145335664460 in words is "two trillion, one hundred forty-five billion, three hundred thirty-five million, six hundred sixty-four thousand, four hundred sixty".