2134234140240 has 80 divisors (see below), whose sum is σ = 7005309720768. Its totient is φ = 535650920448.

The previous prime is 2134234140187. The next prime is 2134234140289. The reversal of 2134234140240 is 420414324312.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2134234140198 and 2134234140207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261544222 + ... + 261552381.

Almost surely, 2^{2134234140240} is an apocalyptic number.

2134234140240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2134234140240 is an abundant number, since it is smaller than the sum of its proper divisors (4871075580528).

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

2134234140240 is a wasteful number, since it uses less digits than its factorization.

2134234140240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523096636 (or 523096630 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 2134234140240 its reverse (420414324312), we get a palindrome (2554648464552).

The spelling of 2134234140240 in words is "two trillion, one hundred thirty-four billion, two hundred thirty-four million, one hundred forty thousand, two hundred forty".