1450716678 has 12 divisors (see below), whose sum is σ = 3143219508. Its totient is φ = 483572220.

The previous prime is 1450716647. The next prime is 1450716691. The reversal of 1450716678 is 8766170541.

1450716678 is a `hidden beast` number, since 1 + 450 + 71 + 66 + 78 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40297668 + ... + 40297703.

It is an arithmetic number, because the mean of its divisors is an integer number (261934959).

Almost surely, 2^1450716678 is an apocalyptic number.

1450716678 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1450716678 is an abundant number, since it is smaller than the sum of its proper divisors (1692502830).

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

1450716678 is a wasteful number, since it uses less digits than its factorization.

1450716678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80595379 (or 80595376 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The square root of 1450716678 is about 38088.2748099727. The cubic root of 1450716678 is about 1132.0376417663.

The spelling of 1450716678 in words is "one billion, four hundred fifty million, seven hundred sixteen thousand, six hundred seventy-eight".