427734428442 has 16 divisors (see below), whose sum is σ = 871609779360. Its totient is φ = 139887989072.

The previous prime is 427734428431. The next prime is 427734428453. The reversal of 427734428442 is 244824437724.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (427734428431) and next prime (427734428453).

It is a super-3 number, since 3×427734428442³ (a number of 36 digits) contains 333 as substring.

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, 672538092 + ... + 672538727.

It is an arithmetic number, because the mean of its divisors is an integer number (54475611210).

Almost surely, 2^427734428442 is an apocalyptic number.

427734428442 is an abundant number, since it is smaller than the sum of its proper divisors (443875350918).

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

427734428442 is a wasteful number, since it uses less digits than its factorization.

427734428442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345076877.

The product of its digits is 9633792, while the sum is 51.

The spelling of 427734428442 in words is "four hundred twenty-seven billion, seven hundred thirty-four million, four hundred twenty-eight thousand, four hundred forty-two".