1058991460 has 24 divisors (see below), whose sum is σ = 2278124856. Its totient is φ = 413264640.

The previous prime is 1058991457. The next prime is 1058991473. The reversal of 1058991460 is 641998501.

It can be written as a sum of positive squares in 4 ways, for example, as 30891364 + 1028100096 = 5558^2 + 32064^2 .

It is a super-2 number, since 2×1058991460² = 2242925824705863200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 644907 + ... + 646546.

It is an arithmetic number, because the mean of its divisors is an integer number (94921869).

Almost surely, 2^1058991460 is an apocalyptic number.

1058991460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1058991460 is an abundant number, since it is smaller than the sum of its proper divisors (1219133396).

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

1058991460 is a wasteful number, since it uses less digits than its factorization.

1058991460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291503 (or 1291501 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 43.

The square root of 1058991460 is about 32542.1489763660. The cubic root of 1058991460 is about 1019.2893486420.

The spelling of 1058991460 in words is "one billion, fifty-eight million, nine hundred ninety-one thousand, four hundred sixty".