427240803620 has 24 divisors (see below), whose sum is σ = 897586442424. Its totient is φ = 170823796736.

The previous prime is 427240803611. The next prime is 427240803641. The reversal of 427240803620 is 26308042724.

It can be written as a sum of positive squares in 4 ways, for example, as 62548009216 + 364692794404 = 250096^2 + 603898^2 .

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, 4484477 + ... + 4578756.

It is an arithmetic number, because the mean of its divisors is an integer number (37399435101).

Almost surely, 2^427240803620 is an apocalyptic number.

It is an amenable number.

427240803620 is an abundant number, since it is smaller than the sum of its proper divisors (470345638804).

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

427240803620 is a wasteful number, since it uses less digits than its factorization.

427240803620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9065599 (or 9065597 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 38.

The spelling of 427240803620 in words is "four hundred twenty-seven billion, two hundred forty million, eight hundred three thousand, six hundred twenty".