1494128650 has 96 divisors (see below), whose sum is σ = 3384783360. Its totient is φ = 479286720.

The previous prime is 1494128639. The next prime is 1494128677. The reversal of 1494128650 is 568214941.

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, 550597 + ... + 553303.

It is an arithmetic number, because the mean of its divisors is an integer number (35258160).

Almost surely, 2^1494128650 is an apocalyptic number.

1494128650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1494128650 is an abundant number, since it is smaller than the sum of its proper divisors (1890654710).

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

1494128650 is a wasteful number, since it uses less digits than its factorization.

1494128650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2828 (or 2823 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 1494128650 is about 38653.9603404360. The cubic root of 1494128650 is about 1143.2187300426.

The spelling of 1494128650 in words is "one billion, four hundred ninety-four million, one hundred twenty-eight thousand, six hundred fifty".