1572871460 has 36 divisors (see below), whose sum is σ = 3366647508. Its totient is φ = 617255808.

The previous prime is 1572871451. The next prime is 1572871493. The reversal of 1572871460 is 641782751.

It can be written as a sum of positive squares in 6 ways, for example, as 267060964 + 1305810496 = 16342^2 + 36136^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42182 + ... + 70178.

Almost surely, 2^1572871460 is an apocalyptic number.

1572871460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1572871460 is an abundant number, since it is smaller than the sum of its proper divisors (1793776048).

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

1572871460 is a wasteful number, since it uses less digits than its factorization.

1572871460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28112 (or 28057 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 41.

The square root of 1572871460 is about 39659.4435160152. The cubic root of 1572871460 is about 1162.9590180218.

The spelling of 1572871460 in words is "one billion, five hundred seventy-two million, eight hundred seventy-one thousand, four hundred sixty".