1430234322440 has 96 divisors (see below), whose sum is σ = 4083730344000. Its totient is φ = 445787314560.

The previous prime is 1430234322389. The next prime is 1430234322479. The reversal of 1430234322440 is 442234320341.

It is a junction number, because it is equal to n+sod(n) for n = 1430234322397 and 1430234322406.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33147140 + ... + 33190259.

It is an arithmetic number, because the mean of its divisors is an integer number (42538857750).

Almost surely, 2^{1430234322440} is an apocalyptic number.

1430234322440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1430234322440 is an abundant number, since it is smaller than the sum of its proper divisors (2653496021560).

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

1430234322440 is a wasteful number, since it uses less digits than its factorization.

1430234322440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66337435 (or 66337424 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 1430234322440 its reverse (442234320341), we get a palindrome (1872468642781).

The spelling of 1430234322440 in words is "one trillion, four hundred thirty billion, two hundred thirty-four million, three hundred twenty-two thousand, four hundred forty".