44121145345020 has 96 divisors (see below), whose sum is σ = 140613731576640. Its totient is φ = 11478671953920.

The previous prime is 44121145344961. The next prime is 44121145345091. The reversal of 44121145345020 is 2054354112144.

44121145345020 is a `hidden beast` number, since 4 + 4 + 1 + 2 + 1 + 145 + 3 + 4 + 502 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 996390357 + ... + 996434636.

It is an arithmetic number, because the mean of its divisors is an integer number (1464726370590).

Almost surely, 2^{44121145345020} is an apocalyptic number.

It is an amenable number.

44121145345020 is an abundant number, since it is smaller than the sum of its proper divisors (96492586231620).

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

44121145345020 is a wasteful number, since it uses less digits than its factorization.

44121145345020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1992825052 (or 1992825044 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

Adding to 44121145345020 its reverse (2054354112144), we get a palindrome (46175499457164).

The spelling of 44121145345020 in words is "forty-four trillion, one hundred twenty-one billion, one hundred forty-five million, three hundred forty-five thousand, twenty".