2145331640270 has 32 divisors (see below), whose sum is σ = 4752734712768. Its totient is φ = 678962101248.

The previous prime is 2145331640233. The next prime is 2145331640293. The reversal of 2145331640270 is 720461335412.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1178752739 + ... + 1178754558.

It is an arithmetic number, because the mean of its divisors is an integer number (148522959774).

Almost surely, 2^{2145331640270} is an apocalyptic number.

2145331640270 is an abundant number, since it is smaller than the sum of its proper divisors (2607403072498).

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

2145331640270 is a wasteful number, since it uses less digits than its factorization.

2145331640270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2357507324.

The product of its (nonzero) digits is 120960, while the sum is 38.

Adding to 2145331640270 its reverse (720461335412), we get a palindrome (2865792975682).

The spelling of 2145331640270 in words is "two trillion, one hundred forty-five billion, three hundred thirty-one million, six hundred forty thousand, two hundred seventy".