427055540 has 24 divisors (see below), whose sum is σ = 897658440. Its totient is φ = 170661888.

The previous prime is 427055527. The next prime is 427055561. The reversal of 427055540 is 45550724.

It can be written as a sum of positive squares in 4 ways, for example, as 59413264 + 367642276 = 7708^2 + 19174^2 .

It is a junction number, because it is equal to n+sod(n) for n = 427055497 and 427055506.

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, 13124 + ... + 32036.

It is an arithmetic number, because the mean of its divisors is an integer number (37402435).

Almost surely, 2^427055540 is an apocalyptic number.

It is an amenable number.

427055540 is an abundant number, since it is smaller than the sum of its proper divisors (470602900).

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

427055540 is a wasteful number, since it uses less digits than its factorization.

427055540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20051 (or 20049 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 32.

The square root of 427055540 is about 20665.3221605665. The cubic root of 427055540 is about 753.0574685406.

The spelling of 427055540 in words is "four hundred twenty-seven million, fifty-five thousand, five hundred forty".