42821571324 has 48 divisors (see below), whose sum is σ = 114284959488. Its totient is φ = 12224652288.

The previous prime is 42821571323. The next prime is 42821571343. The reversal of 42821571324 is 42317512824.

It is a happy number.

It is a super-2 number, since 2×42821571324² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42821571323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107214 + ... + 311669.

It is an arithmetic number, because the mean of its divisors is an integer number (2380936656).

Almost surely, 2^42821571324 is an apocalyptic number.

It is an amenable number.

42821571324 is an abundant number, since it is smaller than the sum of its proper divisors (71463388164).

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

42821571324 is a wasteful number, since it uses less digits than its factorization.

42821571324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420114 (or 420112 counting only the distinct ones).

The product of its digits is 107520, while the sum is 39.

The spelling of 42821571324 in words is "forty-two billion, eight hundred twenty-one million, five hundred seventy-one thousand, three hundred twenty-four".