1484187963840 has 168 divisors, whose sum is σ = 5111634287760. Its totient is φ = 395268194304.

The previous prime is 1484187963827. The next prime is 1484187963857. The reversal of 1484187963840 is 483697814841.

1484187963840 is a `hidden beast` number, since 1 + 484 + 1 + 8 + 79 + 6 + 3 + 84 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1879647 + ... + 2549793.

It is an arithmetic number, because the mean of its divisors is an integer number (30426394570).

Almost surely, 2^{1484187963840} is an apocalyptic number.

1484187963840 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 1484187963840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2555817143880).

1484187963840 is an abundant number, since it is smaller than the sum of its proper divisors (3627446323920).

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

1484187963840 is a wasteful number, since it uses less digits than its factorization.

1484187963840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670939 (or 670926 counting only the distinct ones).

The product of its (nonzero) digits is 37158912, while the sum is 63.

The spelling of 1484187963840 in words is "one trillion, four hundred eighty-four billion, one hundred eighty-seven million, nine hundred sixty-three thousand, eight hundred forty".