1428758190 has 120 divisors (see below), whose sum is σ = 3906887688. Its totient is φ = 374647680.

The previous prime is 1428758171. The next prime is 1428758197. The reversal of 1428758190 is 918578241.

It is a super-2 number, since 2×1428758190² = 4082699930984152200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428758197) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 4316325 + ... + 4316655.

Almost surely, 2^1428758190 is an apocalyptic number.

1428758190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1428758190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1953443844).

1428758190 is an abundant number, since it is smaller than the sum of its proper divisors (2478129498).

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

1428758190 is an equidigital number, since it uses as much as digits as its factorization.

1428758190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496 (or 414 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 45.

The square root of 1428758190 is about 37798.9178416526. The cubic root of 1428758190 is about 1126.2969575597.

The spelling of 1428758190 in words is "one billion, four hundred twenty-eight million, seven hundred fifty-eight thousand, one hundred ninety".