1423443214440 has 192 divisors, whose sum is σ = 4999660323840. Its totient is φ = 349147584000.

The previous prime is 1423443214439. The next prime is 1423443214507. The reversal of 1423443214440 is 444123443241.

1423443214440 is a `hidden beast` number, since 1 + 42 + 3 + 4 + 432 + 144 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1423443214395 and 1423443214404.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 787065 + ... + 1861815.

It is an arithmetic number, because the mean of its divisors is an integer number (26039897520).

Almost surely, 2^{1423443214440} is an apocalyptic number.

1423443214440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1423443214440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2499830161920).

1423443214440 is an abundant number, since it is smaller than the sum of its proper divisors (3576217109400).

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

1423443214440 is a wasteful number, since it uses less digits than its factorization.

1423443214440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075064 (or 1075057 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 36.

Adding to 1423443214440 its reverse (444123443241), we get a palindrome (1867566657681).

It can be divided in two parts, 142344321 and 4440, that added together give a square (142348761 = 11931²).

The spelling of 1423443214440 in words is "one trillion, four hundred twenty-three billion, four hundred forty-three million, two hundred fourteen thousand, four hundred forty".