1058381442 has 24 divisors (see below), whose sum is σ = 2301331500. Its totient is φ = 351536640.

The previous prime is 1058381413. The next prime is 1058381479. The reversal of 1058381442 is 2441838501.

It can be written as a sum of positive squares in 2 ways, for example, as 867361401 + 191020041 = 29451^2 + 13821^2 .

It is a super-2 number, since 2×1058381442² = 2240342553539998728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1058381397 and 1058381406.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99567 + ... + 109682.

Almost surely, 2^1058381442 is an apocalyptic number.

1058381442 is an abundant number, since it is smaller than the sum of its proper divisors (1242950058).

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

1058381442 is a wasteful number, since it uses less digits than its factorization.

1058381442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209538 (or 209535 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 1058381442 is about 32532.7748893328. The cubic root of 1058381442 is about 1019.0935950085.

The spelling of 1058381442 in words is "one billion, fifty-eight million, three hundred eighty-one thousand, four hundred forty-two".