2140402333434 has 8 divisors (see below), whose sum is σ = 4280804666880. Its totient is φ = 713467444476.

The previous prime is 2140402333367. The next prime is 2140402333439. The reversal of 2140402333434 is 4343332040412.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

2140402333434 is an admirable number.

It is a super-2 number, since 2×2140402333434² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2140402333395 and 2140402333404.

It is not an unprimeable number, because it can be changed into a prime (2140402333439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178366861114 + ... + 178366861125.

It is an arithmetic number, because the mean of its divisors is an integer number (535100583360).

Almost surely, 2^{2140402333434} is an apocalyptic number.

2140402333434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2140402333434 is a wasteful number, since it uses less digits than its factorization.

2140402333434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356733722244.

The product of its (nonzero) digits is 82944, while the sum is 33.

Adding to 2140402333434 its reverse (4343332040412), we get a palindrome (6483734373846).

The spelling of 2140402333434 in words is "two trillion, one hundred forty billion, four hundred two million, three hundred thirty-three thousand, four hundred thirty-four".