1944730540620 has 1344 divisors, whose sum is σ = 7629944448000. Its totient is φ = 414797967360.

The previous prime is 1944730540619. The next prime is 1944730540663. The reversal of 1944730540620 is 260450374491.

1944730540620 is a `hidden beast` number, since 1 + 9 + 4 + 47 + 3 + 0 + 540 + 62 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 447 ways as a sum of consecutive naturals, for example, 9216732315 + ... + 9216732525.

It is an arithmetic number, because the mean of its divisors is an integer number (5677042000).

Almost surely, 2^{1944730540620} is an apocalyptic number.

1944730540620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1944730540620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3814972224000).

1944730540620 is an abundant number, since it is smaller than the sum of its proper divisors (5685213907380).

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

1944730540620 is a wasteful number, since it uses less digits than its factorization.

1944730540620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375 (or 344 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 1944730540620 in words is "one trillion, nine hundred forty-four billion, seven hundred thirty million, five hundred forty thousand, six hundred twenty".