1494850440 has 64 divisors (see below), whose sum is σ = 4498992000. Its totient is φ = 397343232.

The previous prime is 1494850439. The next prime is 1494850451. The reversal of 1494850440 is 440584941.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17661 + ... + 57459.

It is an arithmetic number, because the mean of its divisors is an integer number (70296750).

Almost surely, 2^1494850440 is an apocalyptic number.

1494850440 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 1494850440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2249496000).

1494850440 is an abundant number, since it is smaller than the sum of its proper divisors (3004141560).

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

1494850440 is a wasteful number, since it uses less digits than its factorization.

1494850440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40126 (or 40122 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 1494850440 is about 38663.2957726058. The cubic root of 1494850440 is about 1143.4027907232.

The spelling of 1494850440 in words is "one billion, four hundred ninety-four million, eight hundred fifty thousand, four hundred forty".