1434663648 has 144 divisors (see below), whose sum is σ = 4475907072. Its totient is φ = 432288000.

The previous prime is 1434663631. The next prime is 1434663649. The reversal of 1434663648 is 8463664341.

It is a happy number.

1434663648 is a `hidden beast` number, since 1 + 4 + 3 + 4 + 6 + 636 + 4 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1434663649) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 603903 + ... + 606273.

It is an arithmetic number, because the mean of its divisors is an integer number (31082688).

Almost surely, 2^1434663648 is an apocalyptic number.

1434663648 is a gapful number since it is divisible by the number (18) 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 1434663648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2237953536).

1434663648 is an abundant number, since it is smaller than the sum of its proper divisors (3041243424).

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

1434663648 is a wasteful number, since it uses less digits than its factorization.

1434663648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2589 (or 2578 counting only the distinct ones).

The product of its digits is 995328, while the sum is 45.

The square root of 1434663648 is about 37876.9540486032. The cubic root of 1434663648 is about 1127.8465914808.

The spelling of 1434663648 in words is "one billion, four hundred thirty-four million, six hundred sixty-three thousand, six hundred forty-eight".