1942748989440 has 1728 divisors, whose sum is σ = 8010354643200. Its totient is φ = 399334440960.

The previous prime is 1942748989421. The next prime is 1942748989469. The reversal of 1942748989440 is 449898472491.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 24591759321 + ... + 24591759399.

It is an arithmetic number, because the mean of its divisors is an integer number (4635621900).

Almost surely, 2^{1942748989440} is an apocalyptic number.

1942748989440 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 1942748989440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4005177321600).

1942748989440 is an abundant number, since it is smaller than the sum of its proper divisors (6067605653760).

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

1942748989440 is a wasteful number, since it uses less digits than its factorization.

1942748989440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 167215104, while the sum is 69.

The spelling of 1942748989440 in words is "one trillion, nine hundred forty-two billion, seven hundred forty-eight million, nine hundred eighty-nine thousand, four hundred forty".