1440342021030 has 64 divisors (see below), whose sum is σ = 3772356876288. Its totient is φ = 349055343360.

The previous prime is 1440342021023. The next prime is 1440342021043. The reversal of 1440342021030 is 301202430441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 235467 + ... + 1713513.

It is an arithmetic number, because the mean of its divisors is an integer number (58943076192).

Almost surely, 2^{1440342021030} is an apocalyptic number.

1440342021030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1440342021030 is an abundant number, since it is smaller than the sum of its proper divisors (2332014855258).

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

1440342021030 is a wasteful number, since it uses less digits than its factorization.

1440342021030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1481021.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 1440342021030 its reverse (301202430441), we get a palindrome (1741544451471).

The spelling of 1440342021030 in words is "one trillion, four hundred forty billion, three hundred forty-two million, twenty-one thousand, thirty".