1428034680 has 192 divisors, whose sum is σ = 5173178400. Its totient is φ = 339517440.

The previous prime is 1428034669. The next prime is 1428034681. The reversal of 1428034680 is 864308241.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428034681) 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, 110140 + ... + 122420.

Almost surely, 2^1428034680 is an apocalyptic number.

1428034680 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 1428034680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2586589200).

1428034680 is an abundant number, since it is smaller than the sum of its proper divisors (3745143720).

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

1428034680 is a wasteful number, since it uses less digits than its factorization.

1428034680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12334 (or 12327 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 1428034680 is about 37789.3461176560. The cubic root of 1428034680 is about 1126.1068099881.

The spelling of 1428034680 in words is "one billion, four hundred twenty-eight million, thirty-four thousand, six hundred eighty".