1448696340 has 480 divisors, whose sum is σ = 5792016384. Its totient is φ = 294865920.

The previous prime is 1448696317. The next prime is 1448696341. The reversal of 1448696340 is 436968441.

1448696340 is a `hidden beast` number, since 1 + 4 + 4 + 8 + 6 + 9 + 634 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1448696341) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 4569862 + ... + 4570178.

Almost surely, 2^1448696340 is an apocalyptic number.

1448696340 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 1448696340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2896008192).

1448696340 is an abundant number, since it is smaller than the sum of its proper divisors (4343320044).

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

1448696340 is a wasteful number, since it uses less digits than its factorization.

1448696340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389 (or 378 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The square root of 1448696340 is about 38061.7437855913. The cubic root of 1448696340 is about 1131.5118875580.

The spelling of 1448696340 in words is "one billion, four hundred forty-eight million, six hundred ninety-six thousand, three hundred forty".