2055323501240 has 16 divisors (see below), whose sum is σ = 4624477877880. Its totient is φ = 822129400480.

The previous prime is 2055323501207. The next prime is 2055323501311. The reversal of 2055323501240 is 421053235502.

It is a junction number, because it is equal to n+sod(n) for n = 2055323501197 and 2055323501206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25691543726 + ... + 25691543805.

Almost surely, 2^{2055323501240} is an apocalyptic number.

2055323501240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2055323501240 is an abundant number, since it is smaller than the sum of its proper divisors (2569154376640).

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

2055323501240 is a wasteful number, since it uses less digits than its factorization.

2055323501240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51383087542 (or 51383087538 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 2055323501240 its reverse (421053235502), we get a palindrome (2476376736742).

The spelling of 2055323501240 in words is "two trillion, fifty-five billion, three hundred twenty-three million, five hundred one thousand, two hundred forty".