1448472840 has 128 divisors (see below), whose sum is σ = 4589706240. Its totient is φ = 364956416.

The previous prime is 1448472793. The next prime is 1448472869. The reversal of 1448472840 is 482748441.

It is a junction number, because it is equal to n+sod(n) for n = 1448472792 and 1448472801.

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, 225919 + ... + 232241.

It is an arithmetic number, because the mean of its divisors is an integer number (35857080).

Almost surely, 2^1448472840 is an apocalyptic number.

1448472840 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 1448472840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2294853120).

1448472840 is an abundant number, since it is smaller than the sum of its proper divisors (3141233400).

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

1448472840 is a wasteful number, since it uses less digits than its factorization.

1448472840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6443 (or 6439 counting only the distinct ones).

The product of its (nonzero) digits is 229376, while the sum is 42.

The square root of 1448472840 is about 38058.8076534197. The cubic root of 1448472840 is about 1131.4536959490.

The spelling of 1448472840 in words is "one billion, four hundred forty-eight million, four hundred seventy-two thousand, eight hundred forty".