1430489880 has 96 divisors (see below), whose sum is σ = 4701434400. Its totient is φ = 377169408.

The previous prime is 1430489867. The next prime is 1430489887. The reversal of 1430489880 is 889840341.

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 (1430489887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9717 + ... + 54363.

It is an arithmetic number, because the mean of its divisors is an integer number (48973275).

Almost surely, 2^1430489880 is an apocalyptic number.

1430489880 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 1430489880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2350717200).

1430489880 is an abundant number, since it is smaller than the sum of its proper divisors (3270944520).

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

1430489880 is a wasteful number, since it uses less digits than its factorization.

1430489880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44753 (or 44746 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 1430489880 is about 37821.8175131762. The cubic root of 1430489880 is about 1126.7518070334.

The spelling of 1430489880 in words is "one billion, four hundred thirty million, four hundred eighty-nine thousand, eight hundred eighty".