44646620146 has 16 divisors (see below), whose sum is σ = 67067136576. Its totient is φ = 22290929136.

The previous prime is 44646620101. The next prime is 44646620153. The reversal of 44646620146 is 64102664644.

It is a super-2 number, since 2×44646620146² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8791360 + ... + 8796436.

It is an arithmetic number, because the mean of its divisors is an integer number (4191696036).

Almost surely, 2^44646620146 is an apocalyptic number.

44646620146 is a deficient number, since it is larger than the sum of its proper divisors (22420516430).

44646620146 is a wasteful number, since it uses less digits than its factorization.

44646620146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10593.

The product of its (nonzero) digits is 663552, while the sum is 43.

The spelling of 44646620146 in words is "forty-four billion, six hundred forty-six million, six hundred twenty thousand, one hundred forty-six".