1428743960 has 96 divisors (see below), whose sum is σ = 3764147760. Its totient is φ = 486630144.

The previous prime is 1428743959. The next prime is 1428743983. The reversal of 1428743960 is 693478241.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 305399 + ... + 310041.

Almost surely, 2^1428743960 is an apocalyptic number.

1428743960 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 1428743960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1882073880).

1428743960 is an abundant number, since it is smaller than the sum of its proper divisors (2335403800).

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

1428743960 is a wasteful number, since it uses less digits than its factorization.

1428743960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4825 (or 4814 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 1428743960 is about 37798.7296082818. The cubic root of 1428743960 is about 1126.2932183548.

The spelling of 1428743960 in words is "one billion, four hundred twenty-eight million, seven hundred forty-three thousand, nine hundred sixty".