1258032380 has 96 divisors (see below), whose sum is σ = 3064739328. Its totient is φ = 429228800.

The previous prime is 1258032371. The next prime is 1258032437. The reversal of 1258032380 is 832308521.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 265835 + ... + 270525.

It is an arithmetic number, because the mean of its divisors is an integer number (31924368).

Almost surely, 2^1258032380 is an apocalyptic number.

1258032380 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 1258032380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1532369664).

1258032380 is an abundant number, since it is smaller than the sum of its proper divisors (1806706948).

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

1258032380 is a wasteful number, since it uses less digits than its factorization.

1258032380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4787 (or 4785 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 1258032380 is about 35468.7521629955. The cubic root of 1258032380 is about 1079.5197853644.

The spelling of 1258032380 in words is "one billion, two hundred fifty-eight million, thirty-two thousand, three hundred eighty".