1494794990 has 32 divisors (see below), whose sum is σ = 2913835680. Its totient is φ = 548832384.

The previous prime is 1494794971. The next prime is 1494794993. The reversal of 1494794990 is 994974941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1494794993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8849 + ... + 55388.

It is an arithmetic number, because the mean of its divisors is an integer number (91057365).

Almost surely, 2^1494794990 is an apocalyptic number.

1494794990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1494794990 is a deficient number, since it is larger than the sum of its proper divisors (1419040690).

1494794990 is a wasteful number, since it uses less digits than its factorization.

1494794990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64436.

The product of its (nonzero) digits is 2939328, while the sum is 56.

The square root of 1494794990 is about 38662.5786775792. The cubic root of 1494794990 is about 1143.3886527494.

The spelling of 1494794990 in words is "one billion, four hundred ninety-four million, seven hundred ninety-four thousand, nine hundred ninety".