1058261490 has 128 divisors (see below), whose sum is σ = 3315513600. Its totient is φ = 236805120.

The previous prime is 1058261471. The next prime is 1058261497. The reversal of 1058261490 is 941628501.

1058261490 is a `hidden beast` number, since 10 + 582 + 61 + 4 + 9 + 0 = 666.

It is a super-2 number, since 2×1058261490² = 2239834762434040200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1058261497) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 24906 + ... + 52314.

It is an arithmetic number, because the mean of its divisors is an integer number (25902450).

Almost surely, 2^1058261490 is an apocalyptic number.

1058261490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1058261490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1657756800).

1058261490 is an abundant number, since it is smaller than the sum of its proper divisors (2257252110).

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

1058261490 is a wasteful number, since it uses less digits than its factorization.

1058261490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27449 (or 27443 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 1058261490 is about 32530.9312808595. The cubic root of 1058261490 is about 1019.0550937875.

Adding to 1058261490 its reverse (941628501), we get a palindrome (1999889991).

The spelling of 1058261490 in words is "one billion, fifty-eight million, two hundred sixty-one thousand, four hundred ninety".