427564206155260 has 24 divisors (see below), whose sum is σ = 899713518960816. Its totient is φ = 170677361312640.

The previous prime is 427564206155221. The next prime is 427564206155297. The reversal of 427564206155260 is 62551602465724.

It is a super-2 number, since 2×427564206155260² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21770061777 + ... + 21770081416.

It is an arithmetic number, because the mean of its divisors is an integer number (37488063290034).

Almost surely, 2^{427564206155260} is an apocalyptic number.

It is an amenable number.

427564206155260 is an abundant number, since it is smaller than the sum of its proper divisors (472149312805556).

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

427564206155260 is a wasteful number, since it uses less digits than its factorization.

427564206155260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43540143693 (or 43540143691 counting only the distinct ones).

The product of its (nonzero) digits is 24192000, while the sum is 55.

The spelling of 427564206155260 in words is "four hundred twenty-seven trillion, five hundred sixty-four billion, two hundred six million, one hundred fifty-five thousand, two hundred sixty".