1492984761840 has 1800 divisors, whose sum is σ = 6507549583920. Its totient is φ = 315976826880.

The previous prime is 1492984761809. The next prime is 1492984761847. The reversal of 1492984761840 is 481674892941.

1492984761840 is a `hidden beast` number, since 1 + 4 + 9 + 2 + 9 + 8 + 4 + 7 + 618 + 4 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1492984761847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 359 ways as a sum of consecutive naturals, for example, 2517680584 + ... + 2517681176.

Almost surely, 2^{1492984761840} is an apocalyptic number.

1492984761840 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 1492984761840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3253774791960).

1492984761840 is an abundant number, since it is smaller than the sum of its proper divisors (5014564822080).

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

1492984761840 is a wasteful number, since it uses less digits than its factorization.

1492984761840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685 (or 646 counting only the distinct ones).

The product of its (nonzero) digits is 27869184, while the sum is 63.

The spelling of 1492984761840 in words is "one trillion, four hundred ninety-two billion, nine hundred eighty-four million, seven hundred sixty-one thousand, eight hundred forty".