1494742423680 has 384 divisors, whose sum is σ = 5671896048000. Its totient is φ = 359714734080.

The previous prime is 1494742423673. The next prime is 1494742423693. The reversal of 1494742423680 is 863242474941.

1494742423680 is a `hidden beast` number, since 1 + 4 + 94 + 74 + 2 + 423 + 68 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8594221 + ... + 8766419.

It is an arithmetic number, because the mean of its divisors is an integer number (14770562625).

Almost surely, 2^{1494742423680} is an apocalyptic number.

1494742423680 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 1494742423680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2835948024000).

1494742423680 is an abundant number, since it is smaller than the sum of its proper divisors (4177153624320).

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

1494742423680 is a wasteful number, since it uses less digits than its factorization.

1494742423680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172372 (or 172357 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 54.

The spelling of 1494742423680 in words is "one trillion, four hundred ninety-four billion, seven hundred forty-two million, four hundred twenty-three thousand, six hundred eighty".