1430982378 has 144 divisors (see below), whose sum is σ = 4020606720. Its totient is φ = 364476672.

The previous prime is 1430982367. The next prime is 1430982383. The reversal of 1430982378 is 8732890341.

It is a super-2 number, since 2×1430982378² = 4095421132293069768, 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 71 ways as a sum of consecutive naturals, for example, 282375 + ... + 287397.

It is an arithmetic number, because the mean of its divisors is an integer number (27920880).

Almost surely, 2^1430982378 is an apocalyptic number.

1430982378 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1430982378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2010303360).

1430982378 is an abundant number, since it is smaller than the sum of its proper divisors (2589624342).

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

1430982378 is a wasteful number, since it uses less digits than its factorization.

1430982378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5081 (or 5071 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 1430982378 is about 37828.3277187877. The cubic root of 1430982378 is about 1126.8811005822.

The spelling of 1430982378 in words is "one billion, four hundred thirty million, nine hundred eighty-two thousand, three hundred seventy-eight".