1430212440 has 32 divisors (see below), whose sum is σ = 4290637680. Its totient is φ = 381389952.

The previous prime is 1430212439. The next prime is 1430212447. The reversal of 1430212440 is 442120341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1430212447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5959099 + ... + 5959338.

Almost surely, 2^1430212440 is an apocalyptic number.

1430212440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1430212440 is an abundant number, since it is smaller than the sum of its proper divisors (2860425240).

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

1430212440 is a wasteful number, since it uses less digits than its factorization.

1430212440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11918451 (or 11918447 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1430212440 is about 37818.1496110003. The cubic root of 1430212440 is about 1126.6789587414.

Adding to 1430212440 its reverse (442120341), we get a palindrome (1872332781).

The spelling of 1430212440 in words is "one billion, four hundred thirty million, two hundred twelve thousand, four hundred forty".