1494743040 has 432 divisors, whose sum is σ = 6044514840. Its totient is φ = 340623360.

The previous prime is 1494743039. The next prime is 1494743077. The reversal of 1494743040 is 403474941.

1494743040 is a `hidden beast` number, since 149 + 47 + 430 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1494742986 and 1494743004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4515675 + ... + 4516005.

Almost surely, 2^1494743040 is an apocalyptic number.

1494743040 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 1494743040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3022257420).

1494743040 is an abundant number, since it is smaller than the sum of its proper divisors (4549771800).

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

1494743040 is a wasteful number, since it uses less digits than its factorization.

1494743040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378 (or 348 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 1494743040 is about 38661.9068334711. The cubic root of 1494743040 is about 1143.3754068464.

The spelling of 1494743040 in words is "one billion, four hundred ninety-four million, seven hundred forty-three thousand, forty".