2656329194238 has 64 divisors (see below), whose sum is σ = 5553461632320. Its totient is φ = 845952307200.

The previous prime is 2656329194221. The next prime is 2656329194261. The reversal of 2656329194238 is 8324919236562.

It is a super-4 number, since 4×2656329194238⁴ (a number of 51 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144820948 + ... + 144839288.

It is an arithmetic number, because the mean of its divisors is an integer number (86772838005).

Almost surely, 2^{2656329194238} is an apocalyptic number.

2656329194238 is an abundant number, since it is smaller than the sum of its proper divisors (2897132438082).

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

2656329194238 is a wasteful number, since it uses less digits than its factorization.

2656329194238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27053.

The product of its digits is 33592320, while the sum is 60.

The spelling of 2656329194238 in words is "two trillion, six hundred fifty-six billion, three hundred twenty-nine million, one hundred ninety-four thousand, two hundred thirty-eight".