10440432231330 has 32 divisors (see below), whose sum is σ = 25734254583744. Its totient is φ = 2708868902976.

The previous prime is 10440432231269. The next prime is 10440432231337. The reversal of 10440432231330 is 3313223404401.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (10440432231337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4702896292 + ... + 4702898511.

It is an arithmetic number, because the mean of its divisors is an integer number (804195455742).

Almost surely, 2^{10440432231330} is an apocalyptic number.

10440432231330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10440432231330 is an abundant number, since it is smaller than the sum of its proper divisors (15293822352414).

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

10440432231330 is a wasteful number, since it uses less digits than its factorization.

10440432231330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9405794850.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 10440432231330 its reverse (3313223404401), we get a palindrome (13753655635731).

The spelling of 10440432231330 in words is "ten trillion, four hundred forty billion, four hundred thirty-two million, two hundred thirty-one thousand, three hundred thirty".