4045542723706 has 32 divisors (see below), whose sum is σ = 6698787145920. Its totient is φ = 1832244155280.

The previous prime is 4045542723701. The next prime is 4045542723737. The reversal of 4045542723706 is 6073272455404.

It is a super-2 number, since 2×4045542723706² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4045542723706.

It is not an unprimeable number, because it can be changed into a prime (4045542723701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2005836 + ... + 3480583.

It is an arithmetic number, because the mean of its divisors is an integer number (209337098310).

Almost surely, 2^{4045542723706} is an apocalyptic number.

4045542723706 is a deficient number, since it is larger than the sum of its proper divisors (2653244422214).

4045542723706 is a wasteful number, since it uses less digits than its factorization.

4045542723706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5486731 (or 5486709 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 49.

The spelling of 4045542723706 in words is "four trillion, forty-five billion, five hundred forty-two million, seven hundred twenty-three thousand, seven hundred six".