2255879652378 has 32 divisors (see below), whose sum is σ = 5014785650112. Its totient is φ = 670701782400.

The previous prime is 2255879652373. The next prime is 2255879652463. The reversal of 2255879652378 is 8732569785522.

It is a super-2 number, since 2×2255879652378² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2255879652373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 322449283 + ... + 322456278.

It is an arithmetic number, because the mean of its divisors is an integer number (156712051566).

Almost surely, 2^{2255879652378} is an apocalyptic number.

2255879652378 is an abundant number, since it is smaller than the sum of its proper divisors (2758905997734).

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

2255879652378 is a wasteful number, since it uses less digits than its factorization.

2255879652378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644905630.

The product of its digits is 508032000, while the sum is 69.

The spelling of 2255879652378 in words is "two trillion, two hundred fifty-five billion, eight hundred seventy-nine million, six hundred fifty-two thousand, three hundred seventy-eight".