1428850100 has 18 divisors (see below), whose sum is σ = 3100604934. Its totient is φ = 571540000.

The previous prime is 1428850099. The next prime is 1428850133. The reversal of 1428850100 is 10588241.

It can be written as a sum of positive squares in 3 ways, for example, as 37112464 + 1391737636 = 6092^2 + 37306^2 .

It is a super-2 number, since 2×1428850100² = 4083225216540020000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7144151 + ... + 7144350.

Almost surely, 2^1428850100 is an apocalyptic number.

1428850100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1428850100 is an abundant number, since it is smaller than the sum of its proper divisors (1671754834).

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

1428850100 is a wasteful number, since it uses less digits than its factorization.

1428850100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14288515 (or 14288508 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 29.

The square root of 1428850100 is about 37800.1335976475. The cubic root of 1428850100 is about 1126.3211080737.

The spelling of 1428850100 in words is "one billion, four hundred twenty-eight million, eight hundred fifty thousand, one hundred".