1234405143144 has 96 divisors (see below), whose sum is σ = 3389372157600. Its totient is φ = 405821819520.

The previous prime is 1234405143109. The next prime is 1234405143217. The reversal of 1234405143144 is 4413415044321.

It is a happy number.

1234405143144 is a `hidden beast` number, since 1 + 2 + 34 + 40 + 514 + 31 + 44 = 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 = 1234405143099 and 1234405143108.

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, 1135962 + ... + 1938870.

It is an arithmetic number, because the mean of its divisors is an integer number (35305959975).

Almost surely, 2^{1234405143144} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1234405143144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1694686078800).

1234405143144 is an abundant number, since it is smaller than the sum of its proper divisors (2154967014456).

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

1234405143144 is a wasteful number, since it uses less digits than its factorization.

1234405143144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803215 (or 803208 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The spelling of 1234405143144 in words is "one trillion, two hundred thirty-four billion, four hundred five million, one hundred forty-three thousand, one hundred forty-four".