427650840428 has 36 divisors (see below), whose sum is σ = 870759756720. Its totient is φ = 183240019872.

The previous prime is 427650840427. The next prime is 427650840433. The reversal of 427650840428 is 824048056724.

It is not an unprimeable number, because it can be changed into a prime (427650840427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 703526 + ... + 1162002.

It is an arithmetic number, because the mean of its divisors is an integer number (24187771020).

Almost surely, 2^427650840428 is an apocalyptic number.

It is an amenable number.

427650840428 is an abundant number, since it is smaller than the sum of its proper divisors (443108916292).

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

427650840428 is a wasteful number, since it uses less digits than its factorization.

427650840428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463254 (or 463245 counting only the distinct ones).

The product of its (nonzero) digits is 3440640, while the sum is 50.

The spelling of 427650840428 in words is "four hundred twenty-seven billion, six hundred fifty million, eight hundred forty thousand, four hundred twenty-eight".