1458861630 has 64 divisors (see below), whose sum is σ = 3716616960. Its totient is φ = 365218304.

The previous prime is 1458861601. The next prime is 1458861661. The reversal of 1458861630 is 361688541.

It is a Curzon number.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 210277 + ... + 217103.

It is an arithmetic number, because the mean of its divisors is an integer number (58072140).

Almost surely, 2^1458861630 is an apocalyptic number.

1458861630 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 1458861630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1858308480).

1458861630 is an abundant number, since it is smaller than the sum of its proper divisors (2257755330).

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

1458861630 is a wasteful number, since it uses less digits than its factorization.

1458861630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7273.

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 1458861630 is about 38195.0471920117. The cubic root of 1458861630 is about 1134.1522724766.

The spelling of 1458861630 in words is "one billion, four hundred fifty-eight million, eight hundred sixty-one thousand, six hundred thirty".