2140340310434 has 16 divisors (see below), whose sum is σ = 3405039120000. Its totient is φ = 1005537459264.

The previous prime is 2140340310421. The next prime is 2140340310461. The reversal of 2140340310434 is 4340130430412.

It is a happy number.

It is a super-2 number, since 2×2140340310434² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2140340310397 and 2140340310406.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52526534 + ... + 52567265.

It is an arithmetic number, because the mean of its divisors is an integer number (212814945000).

Almost surely, 2^{2140340310434} is an apocalyptic number.

2140340310434 is a deficient number, since it is larger than the sum of its proper divisors (1264698809566).

2140340310434 is a wasteful number, since it uses less digits than its factorization.

2140340310434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105094417.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 2140340310434 its reverse (4340130430412), we get a palindrome (6480470740846).

The spelling of 2140340310434 in words is "two trillion, one hundred forty billion, three hundred forty million, three hundred ten thousand, four hundred thirty-four".