44665541642 has 16 divisors (see below), whose sum is σ = 67382390400. Its totient is φ = 22204903248.

The previous prime is 44665541539. The next prime is 44665541647. The reversal of 44665541642 is 24614556644.

It is a super-2 number, since 2×44665541642² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (44665541647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 537128 + ... + 614684.

It is an arithmetic number, because the mean of its divisors is an integer number (4211399400).

Almost surely, 2^44665541642 is an apocalyptic number.

44665541642 is a deficient number, since it is larger than the sum of its proper divisors (22716848758).

44665541642 is a wasteful number, since it uses less digits than its factorization.

44665541642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79205.

The product of its digits is 2764800, while the sum is 47.

The spelling of 44665541642 in words is "forty-four billion, six hundred sixty-five million, five hundred forty-one thousand, six hundred forty-two".