427330145420 has 96 divisors (see below), whose sum is σ = 957833444736. Its totient is φ = 159793920000.

The previous prime is 427330145419. The next prime is 427330145423. The reversal of 427330145420 is 24541033724.

It is a super-2 number, since 2×427330145420² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (427330145423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4356920 + ... + 4453920.

It is an arithmetic number, because the mean of its divisors is an integer number (9977431716).

Almost surely, 2^427330145420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 427330145420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (478916722368).

427330145420 is an abundant number, since it is smaller than the sum of its proper divisors (530503299316).

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

427330145420 is a wasteful number, since it uses less digits than its factorization.

427330145420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97251 (or 97249 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 35.

The spelling of 427330145420 in words is "four hundred twenty-seven billion, three hundred thirty million, one hundred forty-five thousand, four hundred twenty".