1448979380 has 12 divisors (see below), whose sum is σ = 3042856740. Its totient is φ = 579591744.

The previous prime is 1448979373. The next prime is 1448979419. The reversal of 1448979380 is 839798441.

It can be written as a sum of positive squares in 2 ways, for example, as 789722404 + 659256976 = 28102^2 + 25676^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36224465 + ... + 36224504.

It is an arithmetic number, because the mean of its divisors is an integer number (253571395).

Almost surely, 2^1448979380 is an apocalyptic number.

1448979380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1448979380 is an abundant number, since it is smaller than the sum of its proper divisors (1593877360).

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

1448979380 is a wasteful number, since it uses less digits than its factorization.

1448979380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72448978 (or 72448976 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 53.

The square root of 1448979380 is about 38065.4617731087. The cubic root of 1448979380 is about 1131.5855727192.

The spelling of 1448979380 in words is "one billion, four hundred forty-eight million, nine hundred seventy-nine thousand, three hundred eighty".