4122555851240 has 16 divisors (see below), whose sum is σ = 9275750665380. Its totient is φ = 1649022340480.

The previous prime is 4122555851237. The next prime is 4122555851243. The reversal of 4122555851240 is 421585552214.

It is an interprime number because it is at equal distance from previous prime (4122555851237) and next prime (4122555851243).

It can be written as a sum of positive squares in 2 ways, for example, as 3692385147364 + 430170703876 = 1921558^2 + 655874^2 .

It is a super-2 number, since 2×4122555851240² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4122555851191 and 4122555851200.

It is not an unprimeable number, because it can be changed into a prime (4122555851243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51531948101 + ... + 51531948180.

Almost surely, 2^{4122555851240} is an apocalyptic number.

4122555851240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4122555851240 is an abundant number, since it is smaller than the sum of its proper divisors (5153194814140).

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

4122555851240 is a wasteful number, since it uses less digits than its factorization.

4122555851240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103063896292 (or 103063896288 counting only the distinct ones).

The product of its (nonzero) digits is 640000, while the sum is 44.

The spelling of 4122555851240 in words is "four trillion, one hundred twenty-two billion, five hundred fifty-five million, eight hundred fifty-one thousand, two hundred forty".