1450981680 has 160 divisors (see below), whose sum is σ = 4803549696. Its totient is φ = 361439232.

The previous prime is 1450981639. The next prime is 1450981709. The reversal of 1450981680 is 861890541.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 234304 + ... + 240416.

Almost surely, 2^1450981680 is an apocalyptic number.

1450981680 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 1450981680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2401774848).

1450981680 is an abundant number, since it is smaller than the sum of its proper divisors (3352568016).

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

1450981680 is a wasteful number, since it uses less digits than its factorization.

1450981680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6195 (or 6189 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 42.

The square root of 1450981680 is about 38091.7534382443. The cubic root of 1450981680 is about 1132.1065672335.

The spelling of 1450981680 in words is "one billion, four hundred fifty million, nine hundred eighty-one thousand, six hundred eighty".