42724031258 has 8 divisors (see below), whose sum is σ = 64351964820. Its totient is φ = 21273376320.

The previous prime is 42724031221. The next prime is 42724031261. The reversal of 42724031258 is 85213042724.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 41929524289 + 794506969 = 204767^2 + 28187^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×42724031258² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44319053 + ... + 44320016.

Almost surely, 2^42724031258 is an apocalyptic number.

42724031258 is a deficient number, since it is larger than the sum of its proper divisors (21627933562).

42724031258 is a wasteful number, since it uses less digits than its factorization.

42724031258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88639312.

The product of its (nonzero) digits is 107520, while the sum is 38.

The spelling of 42724031258 in words is "forty-two billion, seven hundred twenty-four million, thirty-one thousand, two hundred fifty-eight".