1420233340 has 12 divisors (see below), whose sum is σ = 2982490056. Its totient is φ = 568093328.

The previous prime is 1420233313. The next prime is 1420233389. The reversal of 1420233340 is 433320241.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35505814 + ... + 35505853.

It is an arithmetic number, because the mean of its divisors is an integer number (248540838).

Almost surely, 2^1420233340 is an apocalyptic number.

1420233340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1420233340 is an abundant number, since it is smaller than the sum of its proper divisors (1562256716).

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

1420233340 is a wasteful number, since it uses less digits than its factorization.

1420233340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71011676 (or 71011674 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 1420233340 is about 37685.9833359832. The cubic root of 1420233340 is about 1124.0524274461.

Adding to 1420233340 its reverse (433320241), we get a palindrome (1853553581).

The spelling of 1420233340 in words is "one billion, four hundred twenty million, two hundred thirty-three thousand, three hundred forty".