2445661740764 has 24 divisors (see below), whose sum is σ = 4695978995568. Its totient is φ = 1105238618240.

The previous prime is 2445661740737. The next prime is 2445661740811. The reversal of 2445661740764 is 4670471665442.

It is a super-2 number, since 2×2445661740764² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160637537 + ... + 160652760.

It is an arithmetic number, because the mean of its divisors is an integer number (195665791482).

Almost surely, 2^{2445661740764} is an apocalyptic number.

It is an amenable number.

2445661740764 is a deficient number, since it is larger than the sum of its proper divisors (2250317254804).

2445661740764 is a wasteful number, since it uses less digits than its factorization.

2445661740764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321290485 (or 321290483 counting only the distinct ones).

The product of its (nonzero) digits is 27095040, while the sum is 56.

The spelling of 2445661740764 in words is "two trillion, four hundred forty-five billion, six hundred sixty-one million, seven hundred forty thousand, seven hundred sixty-four".