265142621406560 has 48 divisors (see below), whose sum is σ = 630242384503536. Its totient is φ = 105406391812608.

The previous prime is 265142621406539. The next prime is 265142621406581. The reversal of 265142621406560 is 65604126241562.

It is an interprime number because it is at equal distance from previous prime (265142621406539) and next prime (265142621406581).

It is a super-2 number, since 2×265142621406560² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 265142621406499 and 265142621406508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5083229699 + ... + 5083281858.

It is an arithmetic number, because the mean of its divisors is an integer number (13130049677157).

Almost surely, 2^{265142621406560} is an apocalyptic number.

265142621406560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

265142621406560 is an abundant number, since it is smaller than the sum of its proper divisors (365099763096976).

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

265142621406560 is a wasteful number, since it uses less digits than its factorization.

265142621406560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10166511735 (or 10166511727 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 50.

The spelling of 265142621406560 in words is "two hundred sixty-five trillion, one hundred forty-two billion, six hundred twenty-one million, four hundred six thousand, five hundred sixty".