1430043650 has 48 divisors (see below), whose sum is σ = 3144709440. Its totient is φ = 473390400.

The previous prime is 1430043649. The next prime is 1430043677. The reversal of 1430043650 is 563400341.

It is a Curzon 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, 60296 + ... + 80595.

It is an arithmetic number, because the mean of its divisors is an integer number (65514780).

Almost surely, 2^1430043650 is an apocalyptic number.

1430043650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1430043650 is an abundant number, since it is smaller than the sum of its proper divisors (1714665790).

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

1430043650 is a wasteful number, since it uses less digits than its factorization.

1430043650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140939 (or 140934 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 1430043650 is about 37815.9179446963. The cubic root of 1430043650 is about 1126.6346344117.

Adding to 1430043650 its reverse (563400341), we get a palindrome (1993443991).

The spelling of 1430043650 in words is "one billion, four hundred thirty million, forty-three thousand, six hundred fifty".