1944293451024 has 160 divisors (see below), whose sum is σ = 5214873083904. Its totient is φ = 623812815360.

The previous prime is 1944293450969. The next prime is 1944293451029. The reversal of 1944293451024 is 4201543924491.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (1944293451029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42158922 + ... + 42205014.

Almost surely, 2^{1944293451024} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1944293451024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2607436541952).

1944293451024 is an abundant number, since it is smaller than the sum of its proper divisors (3270579632880).

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

1944293451024 is a wasteful number, since it uses less digits than its factorization.

1944293451024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46445 (or 46439 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 48.

The spelling of 1944293451024 in words is "one trillion, nine hundred forty-four billion, two hundred ninety-three million, four hundred fifty-one thousand, twenty-four".