1428982464 has 336 divisors, whose sum is σ = 4960648448. Its totient is φ = 353452032.

The previous prime is 1428982463. The next prime is 1428982517. The reversal of 1428982464 is 4642898241.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (336).

It is a super-2 number, since 2×1428982464² = 4083981764839022592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (1428982463) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5049267 + ... + 5049549.

Almost surely, 2^1428982464 is an apocalyptic number.

1428982464 is a gapful number since it is divisible by the number (14) 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 1428982464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2480324224).

1428982464 is an abundant number, since it is smaller than the sum of its proper divisors (3531665984).

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

1428982464 is a wasteful number, since it uses less digits than its factorization.

1428982464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352 (or 325 counting only the distinct ones).

The product of its digits is 884736, while the sum is 48.

The square root of 1428982464 is about 37801.8843974742. The cubic root of 1428982464 is about 1126.3558865676.

The spelling of 1428982464 in words is "one billion, four hundred twenty-eight million, nine hundred eighty-two thousand, four hundred sixty-four".