428274237624 has 16 divisors (see below), whose sum is σ = 1070685594120. Its totient is φ = 142758079200.

The previous prime is 428274237623. The next prime is 428274237673. The reversal of 428274237624 is 426732472824.

It is a super-2 number, since 2×428274237624² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428274237623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8922379927 + ... + 8922379974.

Almost surely, 2^428274237624 is an apocalyptic number.

It is an amenable number.

428274237624 is an abundant number, since it is smaller than the sum of its proper divisors (642411356496).

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

428274237624 is a wasteful number, since it uses less digits than its factorization.

428274237624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17844759910 (or 17844759906 counting only the distinct ones).

The product of its digits is 7225344, while the sum is 51.

The spelling of 428274237624 in words is "four hundred twenty-eight billion, two hundred seventy-four million, two hundred thirty-seven thousand, six hundred twenty-four".