1428580015 has 8 divisors (see below), whose sum is σ = 1756108368. Its totient is φ = 1114989120.

The previous prime is 1428580007. The next prime is 1428580019. The reversal of 1428580015 is 5100858241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1428580015 - 2³ = 1428580007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428580019) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3484137 + ... + 3484546.

It is an arithmetic number, because the mean of its divisors is an integer number (219513546).

Almost surely, 2^1428580015 is an apocalyptic number.

1428580015 is a deficient number, since it is larger than the sum of its proper divisors (327528353).

1428580015 is an equidigital number, since it uses as much as digits as its factorization.

1428580015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6968729.

The product of its (nonzero) digits is 12800, while the sum is 34.

The square root of 1428580015 is about 37796.5608885253. The cubic root of 1428580015 is about 1126.2501368767.

The spelling of 1428580015 in words is "one billion, four hundred twenty-eight million, five hundred eighty thousand, fifteen".