428262545780 has 24 divisors (see below), whose sum is σ = 899656025352. Its totient is φ = 171246984192.

The previous prime is 428262545779. The next prime is 428262545839. The reversal of 428262545780 is 87545262824.

It can be written as a sum of positive squares in 4 ways, for example, as 12077570404 + 416184975376 = 109898^2 + 645124^2 .

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, 3566597 + ... + 3684716.

It is an arithmetic number, because the mean of its divisors is an integer number (37485667723).

Almost surely, 2^428262545780 is an apocalyptic number.

It is an amenable number.

428262545780 is an abundant number, since it is smaller than the sum of its proper divisors (471393479572).

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

428262545780 is a wasteful number, since it uses less digits than its factorization.

428262545780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7254275 (or 7254273 counting only the distinct ones).

The product of its (nonzero) digits is 8601600, while the sum is 53.

The spelling of 428262545780 in words is "four hundred twenty-eight billion, two hundred sixty-two million, five hundred forty-five thousand, seven hundred eighty".