1058403840 has 160 divisors (see below), whose sum is σ = 3644204256. Its totient is φ = 260505600.

The previous prime is 1058403803. The next prime is 1058403893. The reversal of 1058403840 is 483048501.

1058403840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (160).

It is a super-2 number, since 2×1058403840² = 2240437377053491200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94540 + ... + 105140.

Almost surely, 2^1058403840 is an apocalyptic number.

1058403840 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 1058403840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1822102128).

1058403840 is an abundant number, since it is smaller than the sum of its proper divisors (2585800416).

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

1058403840 is a wasteful number, since it uses less digits than its factorization.

1058403840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10640 (or 10624 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 1058403840 is about 32533.1191249779. The cubic root of 1058403840 is about 1019.1007838147.

It can be divided in two parts, 105840 and 3840, that multiplied together give a square (406425600 = 20160²).

The spelling of 1058403840 in words is "one billion, fifty-eight million, four hundred three thousand, eight hundred forty".