1058817420 has 240 divisors, whose sum is σ = 3507311808. Its totient is φ = 266872320.

The previous prime is 1058817407. The next prime is 1058817421. The reversal of 1058817420 is 247188501.

1058817420 is a `hidden beast` number, since 1 + 0 + 588 + 1 + 74 + 2 + 0 = 666.

1058817420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1058817420² = 2242188657790912800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1058817421) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 5849730 + ... + 5849910.

Almost surely, 2^1058817420 is an apocalyptic number.

1058817420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1058817420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1753655904).

1058817420 is an abundant number, since it is smaller than the sum of its proper divisors (2448494388).

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

1058817420 is a wasteful number, since it uses less digits than its factorization.

1058817420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382 (or 371 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 36.

The square root of 1058817420 is about 32539.4747960074. The cubic root of 1058817420 is about 1019.2335071979.

The spelling of 1058817420 in words is "one billion, fifty-eight million, eight hundred seventeen thousand, four hundred twenty".