1440434322 has 24 divisors (see below), whose sum is σ = 3121934400. Its totient is φ = 479991960.

The previous prime is 1440434299. The next prime is 1440434329. The reversal of 1440434322 is 2234340441.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1440434329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55179 + ... + 76977.

It is an arithmetic number, because the mean of its divisors is an integer number (130080600).

Almost surely, 2^1440434322 is an apocalyptic number.

1440434322 is an abundant number, since it is smaller than the sum of its proper divisors (1681500078).

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

1440434322 is a wasteful number, since it uses less digits than its factorization.

1440434322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25478 (or 25475 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 1440434322 is about 37953.0541854012. The cubic root of 1440434322 is about 1129.3567545367.

Adding to 1440434322 its reverse (2234340441), we get a palindrome (3674774763).

The spelling of 1440434322 in words is "one billion, four hundred forty million, four hundred thirty-four thousand, three hundred twenty-two".