4505742623640 has 64 divisors (see below), whose sum is σ = 13524643353600. Its totient is φ = 1200872212352.

The previous prime is 4505742623521. The next prime is 4505742623659. The reversal of 4505742623640 is 463262475054.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 4505742623640.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10079610 + ... + 10517129.

It is an arithmetic number, because the mean of its divisors is an integer number (211322552400).

Almost surely, 2^{4505742623640} is an apocalyptic number.

4505742623640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4505742623640 is an abundant number, since it is smaller than the sum of its proper divisors (9018900729960).

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

4505742623640 is a wasteful number, since it uses less digits than its factorization.

4505742623640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20598576 (or 20598572 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 48.

The spelling of 4505742623640 in words is "four trillion, five hundred five billion, seven hundred forty-two million, six hundred twenty-three thousand, six hundred forty".